US2537916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe cutting and tenoning machine
Assignee: Individual
•
Filing: 1945-02-10
•
Granted: 1951-01-09
•
Expires: 1965-02-10
Abstract
No abstract record available.
Inventors
- 👤 Gustaf H Rosenboom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:21
CPC Classifications
B; B23; B23Q; B23Q9/00; B23Q9/0014; B23Q9/0021; B23B; B23B5/00; B23B5/16; B23B5/161; B23B5/162; B23D; B23D21/00; B23D21/04; B23D21/06; B23D21/10; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2522
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |