Patent US976549A successfully refreshed from Google Patents.
US976549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch.
Assignee: Allis Chalmers Corp
•
Filing: 1906-10-22
•
Granted: 1910-11-22
•
Expires: 1926-10-22
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Cheney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:36
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/32; H01H3/46; Y; Y10; Y10S; Y10S200/00; Y10S200/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1913-11-21 | 1914-05-23 | 1914-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-11-21 | 1918-05-23 | 1918-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-11-21 | 1922-05-23 | 1922-11-22 | $7700.00 | Window Closed / Lapsed |