Patent US2997283A successfully refreshed from Google Patents.
Patent US504037A successfully refreshed from Google Patents.
US504037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe-fastening
Assignee: Individual
•
Filing: 1892-08-17
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Granted: 1893-07-29
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Expires: 1912-08-17
Abstract
No abstract record available.
Inventors
- 👤 Whitcomb L. Judson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:10
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/36; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2516; Y10T24/2539; Y10T24/2546; Y10T24/2561; Y10T24/2582
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) | 1896-07-28 | 1897-01-27 | 1897-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-07-29 | 1901-01-28 | 1901-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-07-29 | 1905-01-28 | 1905-07-30 | $7700.00 | Window Closed / Lapsed |