US2574706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Segmental coating shoe for pipe and the like
Assignee: PERRAULT BROS
•
Filing: 1947-08-04
•
Granted: 1951-11-13
•
Expires: 1967-08-04
Abstract
No abstract record available.
Inventors
- 👤 Perrault Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:25
CPC Classifications
B; B05; B05C; B05C9/00; B05C9/02; B05C9/027; Y; Y10; Y10S; Y10S118/00; Y10S118/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1049170A
Cited
US1727929A
Cited
US1682823A
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US2014378A
Cited
US2305005A
Cited
US2340325A
Cited
US2482021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |