US2722848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balancing device for rotary members
Assignee: Individual
•
Filing: 1952-04-02
•
Granted: 1955-11-08
•
Expires: 1972-04-02
Abstract
No abstract record available.
Inventors
- 👤 Stein Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:49
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/32; F16F15/36; Y; Y10; Y10S; Y10S415/00; Y10S415/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1209730A
Cited
FR462722A
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US1967163A
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US2077292A
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US2164900A
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US2369679A
Cited
US2186199A
Cited
US2285405A
Cited
GB549189A
Cited
US2495565A
Cited
US2584222A
Cited
US2475302A
Cited
US2538996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |