Patent US6772131B1 successfully refreshed from Google Patents.
US2529099A
Expired / Lapsed
US
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Balance weight
Assignee: Individual
•
Filing: 1945-12-29
•
Granted: 1950-11-07
•
Expires: 1965-12-29
Abstract
No abstract record available.
Inventors
- 👤 Olbrys Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:05
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/32; F16F15/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2029561A
Cited
US2049918A
Cited
US2070995A
Cited
US2137416A
Cited
US2195473A
Cited
US2197364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |