US2563183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Puddler
Assignee: Oliver United Filters Inc
•
Filing: 1946-12-17
•
Granted: 1951-08-07
•
Expires: 1966-12-17
Abstract
No abstract record available.
Inventors
- 👤 Charles R Morehouse
- 👤 Joseph T Cavallero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:26
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/20; B01D33/00; B01D33/06; B01D33/073; B01D33/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US337050A
Cited
US2092509A
Cited
US2178077A
Cited
US2349215A
Cited
US2375635A
Cited
US2377189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |