Patent US3172280A successfully refreshed from Google Patents.
US3172280A
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Universal sliding door locking mechanism
Assignee: PHELPS TIME RECORDING LOCK CORP
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Filing: 1963-03-13
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Granted: 1965-03-09
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Expires: 1983-03-13
Abstract
No abstract record available.
Inventors
- 👤 Louis H Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:09
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0803; Y10T292/0807; Y10T292/0911; Y10T292/0945; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/5195; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/5252; Y10T70/5261; Y10T70/5296; Y10T70/5345; Y10T70/5354
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1097155A
Cited
US1482298A
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US1585144A
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FR628055A
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US1656275A
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US1814302A
Cited
US1994095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |