US953506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling.
Assignee: Individual
•
Filing: 1909-12-21
•
Granted: 1910-03-29
•
Expires: 1929-12-21
Abstract
No abstract record available.
Inventors
- 👤 William Frederick Baum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:24
CPC Classifications
B; B27; B27B; B27B25/00; B27B25/04; F; F16; F16B; F16B2200/00; F16B2200/69; Y; Y10; Y10T; Y10T403/00; Y10T403/57
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) | 1913-03-28 | 1913-09-27 | 1914-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-03-28 | 1917-09-27 | 1918-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-03-28 | 1921-09-27 | 1922-03-29 | $7700.00 | Window Closed / Lapsed |