US2477041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for severing and shaping metal plates
Assignee: Linde Air Products Co
•
Filing: 1945-01-09
•
Granted: 1949-07-26
•
Expires: 1965-01-09
Abstract
No abstract record available.
Inventors
- 👤 James H Bucknam
- 👤 John H Rountree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:10
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/002; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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AT135962B
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US2233098A
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DE681494C
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US2327255A
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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) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |