US3404576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt and gear drive
Assignee: Pirelli and C SpA
•
Filing: 1966-10-28
•
Granted: 1968-10-08
•
Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 Cicognani Mario
- 👤 Previati Augusto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:41
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/17; F16H55/171; F16G; F16G1/00; F16G1/28; F16H7/00; F16H7/02; F16H7/023; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19963; Y10T74/19972
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2937537A
Cited
US3225615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |