US2315808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preselective transmission
Assignee: Atwood Vacuum Machine Co
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Filing: 1942-03-18
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Granted: 1943-04-06
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Expires: 1962-03-18
Abstract
No abstract record available.
Inventors
- 👤 Miller Kay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:12
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/006; F16H61/00; F16H61/02; F16H61/0262; F16H61/0274; F16H2200/00; F16H2200/003; F16H2200/0043; F16H2200/0082; F16H2200/0086; F16H2708/00; F16H2708/24; F16H2708/28; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19228; Y10T74/19233; Y10T74/19293; Y10T74/19298; Y10T74/19307; Y10T74/19312
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) | 1946-04-05 | 1946-10-05 | 1947-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-05 | 1950-10-05 | 1951-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-05 | 1954-10-05 | 1955-04-06 | $7700.00 | Window Closed / Lapsed |