US2474542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanizer mold
Assignee: Individual
•
Filing: 1945-03-26
•
Granted: 1949-06-28
•
Expires: 1965-03-26
Abstract
No abstract record available.
Inventors
- 👤 Robert A Mccloud
- 👤 John L Daum
- 👤 Thomas P Bacon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:21
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1996971A
Cited
US2038213A
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US2174188A
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US2147339A
Cited
US2345172A
Cited
US2339696A
Cited
US2372644A
Cited
US2370655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |