US796813A
Expired / Lapsed
US
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Race-track machine.
Assignee: HERBERT M BRIGGS
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Filing: 1904-11-16
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Granted: 1905-08-08
•
Expires: 1924-11-16
Abstract
No abstract record available.
Inventors
- 👤 Charles W Collyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:52
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/16
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) | 1908-08-07 | 1909-02-06 | 1909-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-08-07 | 1913-02-06 | 1913-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-08-07 | 1917-02-06 | 1917-08-08 | $7700.00 | Window Closed / Lapsed |