Patent US1245939A successfully refreshed from Google Patents.
US1245939A
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Door-knob fastener.
Assignee: CHARLES E HOLMES
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Filing: 1917-02-24
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Granted: 1917-11-06
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Expires: 1937-02-24
Abstract
No abstract record available.
Inventors
- 👤 Charles D Mallatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:52
CPC Classifications
E; E05; E05B; E05B3/00; E05B3/04; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17786; Y10T292/00; Y10T292/85; Y10T292/869; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32434; Y10T403/60; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20468
Claims Analysis
Total Claims: 0
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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) | 1920-11-05 | 1921-05-07 | 1921-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-11-05 | 1925-05-07 | 1925-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-11-05 | 1929-05-07 | 1929-11-06 | $7700.00 | Window Closed / Lapsed |