US2727774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch mechanism
Assignee: HANCOCK Manufacturing CO
•
Filing: 1950-07-06
•
Granted: 1955-12-20
•
Expires: 1970-07-06
Abstract
No abstract record available.
Inventors
- 👤 Marple Rollo
- 👤 Albert F Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:26
CPC Classifications
E; E05; E05B; E05B83/00; E05B83/16; Y; Y10; Y10S; Y10S292/00; Y10S292/42; Y10S292/43; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US307281A
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US396916A
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US469398A
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US849865A
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US930534A
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US939694A
Cited
US1389339A
Cited
US1372000A
Cited
US2270559A
Cited
US2267397A
Cited
US2603963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |