US2602959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making tubular conduits
Assignee: Individual
•
Filing: 1948-03-05
•
Granted: 1952-07-15
•
Expires: 1968-03-05
Abstract
No abstract record available.
Inventors
- 👤 John M Fenlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:33
CPC Classifications
B; B29; B29D; B29D23/00; Y; Y10; Y10S; Y10S118/00; Y10S118/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1196648A
Cited
US1771216A
Cited
US2168993A
Cited
US2311613A
Cited
US2399338A
Cited
US2324645A
Cited
US2377908A
Cited
US2414125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |