US3499347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable eccentricity driver
Assignee: MELVIN A PEARSON
•
Filing: 1968-05-29
•
Granted: 1970-03-10
•
Expires: 1988-05-29
Abstract
No abstract record available.
Inventors
- 👤 Melvin A Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:33
CPC Classifications
F; F16; F16C; F16C3/00; F16C3/04; F16C3/22; F16C3/28; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US859866A
Cited
US1875854A
Cited
US2067399A
Cited
US2051783A
Cited
US2592237A
Cited
US2900839A
Cited
US3199361A
Cited
US3374683A
Cited
US3373936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |