US2624527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread tensioning device
Assignee: Individual
•
Filing: 1950-06-22
•
Granted: 1953-01-06
•
Expires: 1970-06-22
Abstract
No abstract record available.
Inventors
- 👤 Kohorn Ralph S Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:30
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; B; B65; B65H; B65H59/00; B65H59/10; B65H59/16; D01D10/0472; B65H2555/00; B65H2555/20; B65H2555/23; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US686013A
Cited
US1862267A
Cited
US2179334A
Cited
GB504302A
Cited
US2293748A
Cited
US2361239A
Cited
US2556265A
Cited
US2519882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |