US2937413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carding tooth
Assignee: Individual
•
Filing: 1956-09-27
•
Granted: 1960-05-24
•
Expires: 1976-09-27
Abstract
No abstract record available.
Inventors
- 👤 John D Hollingsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:26
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/84; D01G15/88
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE12982C
Cited
GB189624245A
Cited
US795946A
Cited
AT47701B
Cited
GB191417982A
Cited
US1811549A
Cited
GB499210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |