US3376695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: CRAWFORD IND Ltd
•
Filing: 1966-01-06
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Granted: 1968-04-09
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Expires: 1986-01-06
Abstract
No abstract record available.
Inventors
- 👤 Muckley Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:01
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1888; F01N13/1894; F01N3/00; F01N3/02; F01N3/021; F01N3/0214; F01N3/08; F01N2290/00; F01N2290/02; F01N2290/04; F01N2330/00; F01N2330/08; F01N2370/00; F01N2370/22; F01N2370/40; F01N2410/00; F01N2410/08; F01N2450/00; F01N2450/24; F01N2450/30; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S55/00; Y10S55/30; Y10S55/31; Y10S60/00; Y10S60/902
Claims Analysis
Total Claims: 0
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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) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |