US2794663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination latch and dead bolt
Assignee: Arrowsmith Tool & Die Corp
•
Filing: 1955-07-05
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Granted: 1957-06-04
•
Expires: 1975-07-05
Abstract
No abstract record available.
Inventors
- 👤 William F Grodt
- 👤 Charles S Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:49
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/12; E05C3/16; E05C3/167; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0886; Y10T292/0887; Y10T292/0891; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1025; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1086; Y10T292/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US696411A
Cited
GB190709672A
Cited
US1047315A
Cited
GB188742A
Cited
US1557549A
Cited
GB416137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |