US1275766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined electromagnetically and manually operable organ stop-key.
Assignee: Kellogg Switchboard and Supply Co
•
Filing: 1915-10-06
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Granted: 1918-08-13
•
Expires: 1935-10-06
Abstract
No abstract record available.
Inventors
- 👤 Fred Schoenwolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:40
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/12
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) | 1921-08-12 | 1922-02-11 | 1922-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-08-12 | 1926-02-11 | 1926-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-08-12 | 1930-02-11 | 1930-08-13 | $7700.00 | Window Closed / Lapsed |