US2385728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrading apparatus
Assignee: Pangborn Corp
•
Filing: 1943-12-11
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Granted: 1945-09-25
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Expires: 1963-12-11
Abstract
No abstract record available.
Inventors
- 👤 Percy J Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:26
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/426; F04D29/4273; B; B24; B24C; B24C5/00; B24C5/06; B24C5/068; F04D7/00; F04D7/02; F04D7/04; F04D7/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-09-24 | 1949-03-26 | 1949-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-09-24 | 1953-03-26 | 1953-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-09-24 | 1957-03-26 | 1957-09-25 | $7700.00 | Window Closed / Lapsed |