US2514978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accordian key holder
Assignee: —
•
Filing: —
•
Granted: 1950-07-11
•
Expires: 1967-07-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:52
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/32; G; G10; G10D; G10D11/00; G10C; G10C3/00; G10C3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US43389A
Cited
US365501A
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US394248A
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US418575A
Cited
US540288A
Cited
US2058493A
Cited
US855056A
Cited
US963827A
Cited
US2036545A
Cited
US2069447A
Cited
US2220276A
Cited
US2297032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |