US2665153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for locking means
Assignee: Texaco Development Corp
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Filing: 1950-03-01
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Granted: 1954-01-05
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Expires: 1970-03-01
Abstract
No abstract record available.
Inventors
- 👤 Charles F Teichmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:08
CPC Classifications
G; G07; G07C; G07C9/00; G07C9/00174; G07C9/00658; F; F15; F15B; F15B21/00; F15B21/08; Y; Y10; Y10S; Y10S16/00; Y10S16/07; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1021
Claims Analysis
Total Claims: 0
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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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |