US2727773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latch
Assignee: SAFE PADLOCK AND HARDWARE Co
•
Filing: 1953-06-24
•
Granted: 1955-12-20
•
Expires: 1973-06-24
Abstract
No abstract record available.
Inventors
- 👤 Hagstrom Gotthard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:01
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0982; Y10T292/0987; Y10T292/0989; Y10T292/1014; Y10T292/1022; Y10T292/1028; Y10T292/59; Y10T292/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US297402A
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US643957A
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US1456041A
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US1435874A
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US1755434A
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US1876885A
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US2038907A
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US2233078A
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US2576440A
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US2633732A
Cited
US2651193A
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 |