US2480285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lapping machine
Assignee: Individual
•
Filing: 1945-11-28
•
Granted: 1949-08-30
•
Expires: 1965-11-28
Abstract
No abstract record available.
Inventors
- 👤 Earl J Bullard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:39
CPC Classifications
B; B24; B24B; B24B37/00; B24B37/04; B24B37/07; B24B37/10; B24B37/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2123705A
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US2248503A
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US2259883A
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US2299678A
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US2378271A
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US2404282A
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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) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |