Patent US2653840A successfully refreshed from Google Patents.
US2653840A
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US
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Jointed handle
Assignee: O CEL O Inc
•
Filing: 1950-05-02
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Granted: 1953-09-29
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Expires: 1970-05-02
Abstract
No abstract record available.
Inventors
- 👤 Jack A Bitzer
- 👤 Edwin N Woistmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:15
CPC Classifications
A; A01; A01K; A01K87/00; A01K87/02; B; B25; B25G; B25G1/00; B25G1/04; Y; Y10; Y10S; Y10S16/00; Y10S16/90; Y10T; Y10T403/00; Y10T403/70; Y10T403/7026; Y10T403/7035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US430458A
Cited
US594370A
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US672548A
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US1164801A
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US1634082A
Cited
US2278907A
Cited
US2456764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |