US2519984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp for use in vulcanizing
Assignee: Individual
•
Filing: 1946-08-23
•
Granted: 1950-08-22
•
Expires: 1966-08-23
Abstract
No abstract record available.
Inventors
- 👤 John W Speaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:30
CPC Classifications
B; B29; B29C; B29C73/00; B29C73/24; B29C73/30; B29C73/04; B29C73/10; B30; B30B; B30B1/00; B30B1/02; B30B1/04; B30B15/00; B30B15/04; B30B15/047; B29L; B29L2030/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191003180A
Cited
US2099499A
Cited
US2163377A
Cited
US2126767A
Cited
US2193514A
Cited
US2272965A
Cited
US2296162A
Cited
US2356858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |