Patent US2100785A successfully refreshed from Google Patents.
US2690205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for expanding tubes
Assignee: Individual
•
Filing: 1950-07-10
•
Granted: 1954-09-28
•
Expires: 1970-07-10
Abstract
No abstract record available.
Inventors
- 👤 Walter E Stary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:17
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/08; B21D39/10; Y; Y10; Y10S; Y10S60/00; Y10S60/911; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49373; Y10T29/49375; Y10T29/51; Y10T29/5136; Y10T29/5137; Y10T29/53; Y10T29/53709; Y10T29/53717; Y10T29/53722; Y10T408/00; Y10T408/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US342256A
Cited
US527155A
Cited
GB189604715A
Cited
US651502A
Cited
US1410464A
Cited
US1514712A
Cited
US1793624A
Cited
US1946902A
Cited
US1752408A
Cited
US1969063A
Cited
US1978346A
Cited
US2053398A
Cited
US2041915A
Cited
US2079640A
Cited
US2026776A
Cited
US2076767A
Cited
US2343890A
Cited
US2301028A
Cited
US2355852A
Cited
US2438999A
Cited
US2494128A
Cited
US2568262A
Cited
US2535782A
Cited
US2496574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |