US3440901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact broad range power transmission
Assignee: Caterpillar Inc
•
Filing: 1967-07-25
•
Granted: 1969-04-29
•
Expires: 1987-07-25
Abstract
No abstract record available.
Inventors
- 👤 Robert O Chambers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:35
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H47/085; F16H2200/00; F16H2200/003; F16H2200/0052; F16H2200/20; F16H2200/2002; F16H2200/201; F16H2200/202; F16H2200/2023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2519022A
Cited
US2572007A
Cited
US2893265A
Cited
US3000234A
Cited
US3020781A
Cited
US3354747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |