US974991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling device.
Assignee: ALPHONSO J BYRNE
•
Filing: 1907-12-07
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Granted: 1910-11-08
•
Expires: 1927-12-07
Abstract
No abstract record available.
Inventors
- 👤 John E Radigan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
F; F23; F23N; F23N3/00; F23N3/04; F23N3/045; A; A63; A63B; A63B57/00; A63B57/0006
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) | 1913-11-07 | 1914-05-09 | 1914-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-11-07 | 1918-05-09 | 1918-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-11-07 | 1922-05-09 | 1922-11-08 | $7700.00 | Window Closed / Lapsed |