US2645164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deburring and swaging mandrel for interior wall of tubing
Assignee: STANDARD TUBE Co
•
Filing: 1946-04-10
•
Granted: 1953-07-14
•
Expires: 1966-04-10
Abstract
No abstract record available.
Inventors
- 👤 Robert C Ofenstein
- 👤 Stanley L Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:43
CPC Classifications
B; B23; B23D; B23D79/00; B23D79/02; B23D79/021; B23D79/023; B29; B29C; B29C37/00; B29C37/02; B29C37/04; B29L; B29L2023/00; B29L2023/22; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5182; Y10T409/00; Y10T409/50; Y10T409/501476; Y10T409/50164; Y10T409/501804; Y10T83/00; Y10T83/384; Y10T83/395
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20439E
Cited
CH35364A
Cited
GB204953A
Cited
US1954511A
Cited
US1884467A
Cited
US2061581A
Cited
US2025422A
Cited
US2076062A
Cited
US2286513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |