US2650104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laterally extensible supports for traction elements
Assignee: Individual
•
Filing: 1949-12-23
•
Granted: 1953-08-25
•
Expires: 1969-12-23
Abstract
No abstract record available.
Inventors
- 👤 Theodore E Grace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:41
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/084; B60; B60P; B60P9/00; B62D49/00; B62D49/06; B62D49/0621
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2416679A
Cited
FR484471A
Cited
US2057211A
Cited
US2223650A
Cited
US2362068A
Cited
US2467947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |