US2560052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making tire molds
Assignee: Bridgestone Firestone Inc
•
Filing: 1948-12-16
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Granted: 1951-07-10
•
Expires: 1968-12-16
Abstract
No abstract record available.
Inventors
- 👤 John L Miller
- 👤 John R Boughter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:25
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0606; B29C; B29C33/00; B29C33/38; B29C33/3842; B29D2030/0607; B29D2030/0612; B29L; B29L2031/00; B29L2031/757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1634106A
Cited
US1944744A
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US2074368A
Cited
US1989438A
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US2218090A
Cited
US2435643A
Cited
US2388986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |