US2499530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press mechanism
Assignee: Denison Engineering Co
•
Filing: 1945-03-21
•
Granted: 1950-03-07
•
Expires: 1965-03-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:34
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/007; Y; Y10; Y10S; Y10S425/00; Y10S425/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US426653A
Cited
US774154A
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FR485543A
Cited
US1388138A
Cited
GB202008A
Cited
US1509380A
Cited
US1892942A
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US1946117A
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US2089030A
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US2279540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |