US2534459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strand feeding mechanism
Assignee: Scott and Williams Inc
•
Filing: 1945-04-23
•
Granted: 1950-12-19
•
Expires: 1965-04-23
Abstract
No abstract record available.
Inventors
- 👤 Robert H Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:41
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/38; D04B15/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2293838A
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US2333705A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |