Patent US2544917A successfully refreshed from Google Patents.
Patent US2972716A successfully refreshed from Google Patents.
US2595913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter
Assignee: Paterson Engineering Co Ltd
•
Filing: 1947-05-24
•
Granted: 1952-05-06
•
Expires: 1967-05-24
Abstract
No abstract record available.
Inventors
- 👤 Edgar W Baily
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:07
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/44; B01D29/48; B01D29/50; B01D29/56; B01D29/58; B01D29/62; B01D29/66; B01D35/00; B01D35/14; B01D35/157; B01D37/00; B01D37/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US539800A
Cited
US598191A
Cited
US2281053A
Cited
GB189818404A
Cited
US704012A
Cited
US1771928A
Cited
US1992101A
Cited
US2057814A
Cited
US2103572A
Cited
FR847555A
Cited
US2347927A
Cited
GB526221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |