US2722090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrading apparatus for mold platens
Assignee: Goodrich Corp
•
Filing: 1954-01-21
•
Granted: 1955-11-01
•
Expires: 1974-01-21
Abstract
No abstract record available.
Inventors
- 👤 Victor H Hasselquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:40
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/08; B24B27/00; B24B27/033; B24B27/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US409051A
Cited
US1134925A
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US1936449A
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US2124705A
Cited
US2114966A
Cited
US2394858A
Cited
US2484906A
Cited
US2670577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |