US2521728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servicing machine for building tires
Assignee: Akron Standard Mold Co
•
Filing: 1949-04-26
•
Granted: 1950-09-12
•
Expires: 1969-04-26
Abstract
No abstract record available.
Inventors
- 👤 Edward C Kastner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:29
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US463977A
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US601495A
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US1353934A
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US1507908A
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US1966087A
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US2242810A
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US2346903A
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US2365341A
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US2395020A
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US2473067A
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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) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |