US3246310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control and annunciator system
Assignee: Individual
•
Filing: 1963-02-04
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Granted: 1966-04-12
•
Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Roland C Keller
- 👤 Richard W Corey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:33
CPC Classifications
G; G08; G08B; G08B7/00; G08B7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
ANNUNCIATOR APPARATUS FOR CONTROLLING THE SEQUENTIAL STARTING OF A PLURALITY OF DEPENDENT LOAD DEVICES IN A CHAIN COMPRISING: AN ANNUNCIATOR UNIT ASSOCIATED WITH EACH OF SAID LOAD DEVICES AND HAVING ALARMS MEANS THEREIN, PROOF MEANS ASSOCIATED WITH EACH OF SAID LOAD DEVICES FOR PROVIDING A MEASURE OF THE SATISFACTORY OPERATION OF SAID LOAD DEVICES, AUXILIARY RELAY MEANS CONNECTED IN CIRCUIT WITH EACH OF SAID PROOF DEVICES SO AS TO BE ENERGIZED UPON OPERATION OF THE ASSOCIATED ONE OF SAID PROOF DEVICES, FIRST CONTACT MEANS FOR EACH SAID AUXILIARY RELAY MEANS OPERABLE UPON ENERGIZATION OF SAID RELAY MEANS TO ENERGIZE THE NEXT ONE OF SAID LOAD DEVICES IN SAID CHAIN,
Claim 2
Dependent Claim
109 words
ANNUNCIATOR APPARATUS FOR CONTROLLING THE SEQUENTIAL STARTING OF A PLURALITY OF DEPENDENT LOAD DEVICES IN A CHAIN COMPRISING: AN ANNUNCIATOR UNIT ASSOCIATED WITH EACH OF SAID LOAD DEVICES AND HAVING ALARMS MEANS THEREIN, PROOF MEANS ASSOCIATED WITH EACH OF SAID LOAD DEVICES FOR PROVIDING A MEASURE OF THE SATISFACTORY OPERATION OF SAID LOAD DEVICES, AUXILIARY RELAY MEANS CONNECTED IN CIRCUIT WITH EACH OF SAID PROOF DEVICES SO AS TO BE ENERGIZED UPON OPERATION OF THE ASSOCIATED ONE OF SAID PROOF DEVICES, FIRST CONTACT MEANS FOR EACH SAID AUXILIARY RELAY MEANS OPERABLE UPON ENERGIZATION OF SAID RELAY MEANS TO ENERGIZE THE NEXT ONE OF SAID LOAD DEVICES IN SAID CHAIN,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |