US2690572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for handling and treating elongated workpieces
Assignee: PIPE MACHINERY CO
•
Filing: 1947-03-27
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Granted: 1954-10-05
•
Expires: 1967-03-27
Abstract
No abstract record available.
Inventors
- 👤 William L Benninghoff
- 👤 Village Waite Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:38
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/006; B23; B23Q; B23Q7/00; B23Q7/003; Y; Y10; Y10S; Y10S470/00; Y10S470/901; Y10T; Y10T408/00; Y10T408/16; Y10T408/175; Y10T408/52; Y10T82/00; Y10T82/16; Y10T82/16032
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |