US2671683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gate latch
Assignee: Anchor Post Products Inc
•
Filing: 1951-05-10
•
Granted: 1954-03-09
•
Expires: 1971-05-10
Abstract
No abstract record available.
Inventors
- 👤 Heyman Benjamin
- 👤 Francis K Read
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:42
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0007; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0807; Y10T292/1043; Y10T292/1063; Y10T292/1064; Y10T292/1072; Y10T292/1075; Y10T292/1083; Y10T292/1086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US46653A
Cited
US168525A
Cited
US482246A
Cited
US557578A
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US844907A
Cited
US1284237A
Cited
US1936921A
Cited
FR779411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |