Patent US2507555A successfully refreshed from Google Patents.
US2507555A
Expired / Lapsed
US
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Mechanical transmission system
Assignee: Individual
•
Filing: 1945-05-04
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Granted: 1950-05-16
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Expires: 1965-05-04
Abstract
No abstract record available.
Inventors
- 👤 Berthiez Charles William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:03
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; G; G05; G05G; G05G1/00; G05G23/00; B23Q2705/00; B23Q2705/10; B23Q2705/106; G05G2700/00; G05G2700/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956; Y10T74/19565; Y10T74/1957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |