Patent US4564882A successfully refreshed from Google Patents.
Patent US1287973A successfully refreshed from Google Patents.
US1287973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push-button latch.
Assignee: Individual
•
Filing: 1918-02-16
•
Granted: 1918-12-17
•
Expires: 1938-02-16
Abstract
No abstract record available.
Inventors
- 👤 Archibald B Gruber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:49
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/14; Y; Y10; Y10S; Y10S292/00; Y10S292/24; Y10S292/37; Y10S292/65; Y10S70/00; Y10S70/80; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0976; Y10T292/0995; Y10T292/1014; Y10T292/1022; Y10T292/1028
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1921-12-16 | 1922-06-17 | 1922-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-12-16 | 1926-06-17 | 1926-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-12-16 | 1930-06-17 | 1930-12-17 | $7700.00 | Window Closed / Lapsed |