US2890494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drafting mechanisms for textile processing machinery
Assignee: TMM Research Ltd
•
Filing: 1955-04-12
•
Granted: 1959-06-16
•
Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Raper George Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:54
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/32; D01H5/38; D01H5/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1132316A
Cited
US2407100A
Cited
US2498364A
Cited
US2681475A
Cited
US2683290A
Cited
US2774995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |