US2521979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Size controlling apparatus
Assignee: Motors Liquidation Co
•
Filing: 1946-06-25
•
Granted: 1950-09-12
•
Expires: 1966-06-25
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Jagen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:12
CPC Classifications
B; B24; B24B; B24B49/00; B24B49/02; B24B49/04; B24B49/045; Y; Y10; Y10S; Y10S116/00; Y10S116/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190201523A
Cited
US968834A
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US1133300A
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US1152686A
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US1639321A
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US1834231A
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US2000585A
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US1992027A
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US2117267A
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US2267559A
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US2267391A
Cited
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 |