US2182952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioned buffing and polishing system
Assignee: Hanson Van Winkle Munning Co
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Filing: 1938-04-30
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Granted: 1939-12-12
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Expires: 1958-04-30
Abstract
No abstract record available.
Inventors
- 👤 Todd Guerin
- 👤 Knight Octavius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:03
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/10; B24; B24B; B24B55/00; B24B55/02; B24D; B24D5/00; B24D5/10; Y; Y10; Y10S; Y10S62/00; Y10S62/10; Y10S76/00; Y10S76/07; Y10S82/00; Y10S82/90
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) | 1942-12-11 | 1943-06-12 | 1943-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-12-11 | 1947-06-12 | 1947-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-12-11 | 1951-06-12 | 1951-12-12 | $7700.00 | Window Closed / Lapsed |