US2806927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1955-06-07
•
Granted: 1957-09-17
•
Expires: 1975-06-07
Abstract
No abstract record available.
Inventors
- 👤 Alan A Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:12
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/26; H01H13/36; H01H5/00; H01H5/04; H01H5/18; H01H5/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49938; Y10T292/00; Y10T292/48; Y10T292/481
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2199974A
Cited
US2511526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |