US2647003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latching and operating mechanism
Assignee: Individual
•
Filing: 1950-04-06
•
Granted: 1953-07-28
•
Expires: 1970-04-06
Abstract
No abstract record available.
Inventors
- 👤 Glenn W Way
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:26
CPC Classifications
E; E05; E05B; E05B83/00; E05B83/02; E05B83/04; E05B17/00; E05B17/0025; E05B17/0033; E05B63/00; E05B63/24; E05B63/244; E05B83/36; E05C; E05C17/00; E05C17/60; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/0934; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0994; Y10T292/1014; Y10T292/1022; Y10T292/1028; Y10T292/68; Y10T292/696; Y10T292/702; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/519
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US41064A
Cited
US409797A
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US854262A
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US917182A
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US1229709A
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US1102220A
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US1580666A
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US1857294A
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GB406811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |