Patent US2177675A successfully refreshed from Google Patents.
Patent US3407029A successfully refreshed from Google Patents.
US3407029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined sterilizer chambers and control
Assignee: American Sterilizer Co
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Filing: 1965-02-04
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Granted: 1968-10-22
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Expires: 1985-02-04
Abstract
No abstract record available.
Inventors
- 👤 James B Krahe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:27
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/44; G05B11/58; A; A61; A61L; A61L2/00; A61L2/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
223 words
A CONTROL FOR STERILIZERS COMPRISING A FIRST CHAMBER AND A SECOND CHAMBER, A PLURALITY OF FIRST VALVE MEANS CONNECTED TO SURCES OF VACUUM AND SOURCES OF GAS AND TO SAID FIRST CHAMBER FOR CONNECTING SAID SOURCES OF VACUUM AND SOURCES OF GAS TO SAID FIRST CHAMBER, A PLURALITY OF SECOND VALVE MEANS CONNECTED TO SOURCES OF VACUUM AND SOURCES OF GAS AND TO SAID SECOND CHAMBER FOR CONNECTING SAID SOURCES OF VACUUM AND SOURCES OF GAS TO SAID SECOND CHAMBER, A FIRST CYCLE SWITCH CONNECTED TO SAID FIRST VALVE MEANS, A SECOND CYCLE SWITCH CONNECTED TO SAID SECOND VALVE MEANS, A SELECTOR SWITCH, A SOURCE OF POWER, SAID SELECTOR SWITCH HAVING A FIRST POSITION AND A SECOND POSITION, SAID SELECTOR SWITCH HAVING MEANS TO CONNECT SAID FIRST CYCLE SWITCH TO SAID SECOND VALVE MEANS WHEN SAID SELECTOR SWITCH IS IN SAID FIRST POSITION WHEREBY SAID CHAMBERS MAY BE BOTH OPERATED SIMULTANEUSLY FROM SAID SOURCE OF POWER FROM SAID FIRST CYCLE SWITCH, SAID SELECTOR SWITCH HAVING MEANS THEREON CONNECTING SAID FIRST CYCLE SWITCH TO SAID SOURCE OF POWER AND CONNECTING SAID SECOND CYCLE SWITCH TO SAID SOURCE OF POWER INDEPENDENT OF EACH OTHER WHEN SAID SELECTOR SWITCH IS IN SAID SECOND POSITION WHEREBY SAID CHAMBERS CAN EACH BE OPERATED INDEPENDENT OF THE OTHER THROUGH SAID FIRST CYCE SWITCH AND SAID SECOND CYCLE SWITCH, RESPECTIVELY.
Claim 2
Dependent Claim
223 words
A CONTROL FOR STERILIZERS COMPRISING A FIRST CHAMBER AND A SECOND CHAMBER, A PLURALITY OF FIRST VALVE MEANS CONNECTED TO SURCES OF VACUUM AND SOURCES OF GAS AND TO SAID FIRST CHAMBER FOR CONNECTING SAID SOURCES OF VACUUM AND SOURCES OF GAS TO SAID FIRST CHAMBER, A PLURALITY OF SECOND VALVE MEANS CONNECTED TO SOURCES OF VACUUM AND SOURCES OF GAS AND TO SAID SECOND CHAMBER FOR CONNECTING SAID SOURCES OF VACUUM AND SOURCES OF GAS TO SAID SECOND CHAMBER, A FIRST CYCLE SWITCH CONNECTED TO SAID FIRST VALVE MEANS, A SECOND CYCLE SWITCH CONNECTED TO SAID SECOND VALVE MEANS, A SELECTOR SWITCH, A SOURCE OF POWER, SAID SELECTOR SWITCH HAVING A FIRST POSITION AND A SECOND POSITION, SAID SELECTOR SWITCH HAVING MEANS TO CONNECT SAID FIRST CYCLE SWITCH TO SAID SECOND VALVE MEANS WHEN SAID SELECTOR SWITCH IS IN SAID FIRST POSITION WHEREBY SAID CHAMBERS MAY BE BOTH OPERATED SIMULTANEUSLY FROM SAID SOURCE OF POWER FROM SAID FIRST CYCLE SWITCH, SAID SELECTOR SWITCH HAVING MEANS THEREON CONNECTING SAID FIRST CYCLE SWITCH TO SAID SOURCE OF POWER AND CONNECTING SAID SECOND CYCLE SWITCH TO SAID SOURCE OF POWER INDEPENDENT OF EACH OTHER WHEN SAID SELECTOR SWITCH IS IN SAID SECOND POSITION WHEREBY SAID CHAMBERS CAN EACH BE OPERATED INDEPENDENT OF THE OTHER THROUGH SAID FIRST CYCE SWITCH AND SAID SECOND CYCLE SWITCH, RESPECTIVELY.
References Cited (Backward Citations)
US3338663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |