US2703496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic device for selective operation of change speed gears, particularly for motor cars
Assignee: Individual
•
Filing: 1951-01-22
•
Granted: 1955-03-08
•
Expires: 1971-01-22
Abstract
No abstract record available.
Inventors
- 👤 Massarotti Mario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:45
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H61/0274; F16H2708/00; F16H2708/24; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19247; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1959476A
Cited
USRE20253E
Cited
US1771431A
Cited
US2219323A
Cited
US2193432A
Cited
US2175012A
Cited
US2381805A
Cited
US2386174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |