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US1004904A
Expired / Lapsed
US
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Changeable key-lock.
Assignee: Individual
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Filing: 1910-10-26
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Granted: 1911-10-03
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Expires: 1930-10-26
Abstract
No abstract record available.
Inventors
- 👤 Walter Rees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:32
CPC Classifications
E; E05; E05B; E05B35/00; E05B35/08; E05B35/12; Y; Y10; Y10S; Y10S70/00; Y10S70/05; Y10S70/54; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7446; Y10T70/7458; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7638; Y10T70/7667; Y10T70/7689; Y10T70/7701; Y10T70/7729; Y10T70/7734; Y10T70/774; Y10T70/7746
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) | 1914-10-02 | 1915-04-03 | 1915-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-10-02 | 1919-04-03 | 1919-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-10-02 | 1923-04-03 | 1923-10-03 | $7700.00 | Window Closed / Lapsed |