US2990077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closures
Assignee: Individual
•
Filing: 1957-05-10
•
Granted: 1961-06-27
•
Expires: 1977-05-10
Abstract
No abstract record available.
Inventors
- 👤 Paul S Van Baarn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:49
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/46; B65D41/48; B65D41/485; B65D41/325; B65D43/00; B65D43/14; B65D43/16; B65D43/163; B65D43/169; B65D55/00; B65D55/16; B65D2251/00; B65D2251/10; B65D2251/1008; B65D2251/1016; B65D2251/105; B65D2401/00; B65D2401/15; B65D2401/25; B65D2401/30; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00296; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00518; B65D2543/00537; B65D2543/00555; B65D2543/00824; B65D2543/00833; B65D2543/00842; B65D2543/00953; B65D2543/0099
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1958466A
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US2102440A
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US2231779A
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US2289424A
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US2340568A
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US2814404A
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DE1000252B
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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) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |