US3114801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-line telephone station
Assignee: TDK Micronas GmbH
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Filing: 1959-06-15
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Granted: 1963-12-17
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Expires: 1979-06-15
Abstract
No abstract record available.
Inventors
- 👤 Robert C Kirkham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:17
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/42; H04M3/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A TWO LINE TELEPHONE COMPRISING TRANSFER MEANS TELEPHONICALLY CONNECTING SAID TELEPHONE TO A FIRST OF SAID LINES, HOLDING MEANS COMPRISING A FIRST HOLD MEANS ASSOCIATED WITH A FIRST OF SAID TWO LINES, A SECOND HOLD MEANS ASSOCIATED WITH A SECOND OF SAID TWO LINES, ENABLING MEANS, MEANS RESPONSIVE TO THE OPERATION OF SAID ENABLING MEANS FOR CONNECTING SAID SECOND HOLD MEANS TO SAID SECOND LINE AND MEANS RESPONSIVE TO THE OPERATION OF SAID TRANSFER MEANS WHILE LEAVING SAID ENABLING MEANS OPERATED, FOR CONNECTING SAID FIRST HOLD MEANS TO SAID FIRST LINE AND FOR TELEPHONICALLY CONNECTING SAID TELEPHONE TO SAID SECOND
Claim 2
Dependent Claim
100 words
A TWO LINE TELEPHONE COMPRISING TRANSFER MEANS TELEPHONICALLY CONNECTING SAID TELEPHONE TO A FIRST OF SAID LINES, HOLDING MEANS COMPRISING A FIRST HOLD MEANS ASSOCIATED WITH A FIRST OF SAID TWO LINES, A SECOND HOLD MEANS ASSOCIATED WITH A SECOND OF SAID TWO LINES, ENABLING MEANS, MEANS RESPONSIVE TO THE OPERATION OF SAID ENABLING MEANS FOR CONNECTING SAID SECOND HOLD MEANS TO SAID SECOND LINE AND MEANS RESPONSIVE TO THE OPERATION OF SAID TRANSFER MEANS WHILE LEAVING SAID ENABLING MEANS OPERATED, FOR CONNECTING SAID FIRST HOLD MEANS TO SAID FIRST LINE AND FOR TELEPHONICALLY CONNECTING SAID TELEPHONE TO SAID SECOND
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) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |