US3433534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic balancer
Assignee: GORDON E MERCER
•
Filing: 1967-02-10
•
Granted: 1969-03-18
•
Expires: 1987-02-10
Abstract
No abstract record available.
Inventors
- 👤 Gordon E Mercer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:14
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/30; G01M1/36; F; F16; F16F; F16F15/00; F16F15/32; F16F15/322; F16F15/36; F16F15/363
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1209730A
Cited
US2737420A
Cited
GB832048A
Cited
US3109321A
Cited
US3191997A
Cited
US3314726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |