Patent US2139294A successfully refreshed from Google Patents.
US2139294A
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US
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Three-way swivel
Assignee: Individual
•
Filing: 1937-09-07
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Granted: 1938-12-06
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Expires: 1957-09-07
Abstract
No abstract record available.
Inventors
- 👤 Weigant Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:44
CPC Classifications
B; B66; B66C; B66C1/00; A; A01; A01G; A01G17/00; A01G17/04; F; F16; F16G; F16G15/00; F16G15/08; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32672; Y10T403/34; Y10T403/341; Y10T403/345
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) | 1941-12-05 | 1942-06-06 | 1942-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-12-05 | 1946-06-06 | 1946-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-12-05 | 1950-06-06 | 1950-12-06 | $7700.00 | Window Closed / Lapsed |