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US2916145A
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Assignee: Eimco Corp
•
Filing: 1956-02-21
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Granted: 1959-12-08
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Expires: 1976-02-21
Abstract
No abstract record available.
Inventors
- 👤 Marvin M Kaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:24
CPC Classifications
B; B01; B01D; B01D33/00; B01D33/06; B01D33/073; B01D33/09; B01D33/044; B01D33/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US828715A
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US2416073A
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US2652927A
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US2699260A
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US2518046A
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US2690265A
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DE848797C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |