US3043434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filtration apparatus
Assignee: Capitol Products Corp
•
Filing: 1958-10-15
•
Granted: 1962-07-10
•
Expires: 1978-10-15
Abstract
No abstract record available.
Inventors
- 👤 Stram George
- 👤 Alexander A Mcintyre
- 👤 Donald L Geiselman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:42
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/14; B01D35/147; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/60; B01D29/606; B01D29/62; B01D29/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1750997A
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US1710758A
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US2189458A
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US2478976A
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US2713022A
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US2782932A
Cited
US2843267A
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US2878942A
Cited
US2867325A
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US2867324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |