US2772554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking means for a door construction
Assignee: SCHACHT ASSOCIATES Inc
•
Filing: 1952-07-22
•
Granted: 1956-12-04
•
Expires: 1972-07-22
Abstract
No abstract record available.
Inventors
- 👤 Louis L Schacht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:15
CPC Classifications
E; E05; E05C; E05C9/00; E05C9/02; E05C9/026; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/0836; Y10T292/0837; Y10T292/0839; Y10T292/096; Y10T292/1014; Y10T292/1015; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/527; Y10T70/5279; Y10T70/5296; Y10T70/5319; Y10T70/5341
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US609197A
Cited
US849742A
Cited
US952689A
Cited
US1408629A
Cited
US1341038A
Cited
US1395688A
Cited
US1618814A
Cited
US2044381A
Cited
US2261353A
Cited
US2448748A
Cited
US2605869A
Cited
US2601775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |