Patent US2438212A successfully refreshed from Google Patents.
Patent US2772554A successfully refreshed from Google Patents.
US2772554A
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Locking means for a door construction
Assignee: SCHACHT ASSOCIATES Inc
•
Filing: 1952-07-22
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Granted: 1956-12-04
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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 19:49
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
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References Cited (Backward Citations)
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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 |