US680101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1900-12-04
•
Granted: 1901-08-06
•
Expires: 1920-12-04
Abstract
No abstract record available.
Inventors
- 👤 Virgil M Wingfield
- 👤 John T Little Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:17
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/10; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/974; Y10S411/984; Y10S411/987
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) | 1904-08-05 | 1905-02-04 | 1905-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-08-05 | 1909-02-04 | 1909-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-08-05 | 1913-02-04 | 1913-08-06 | $7700.00 | Window Closed / Lapsed |