Patent US2206326A successfully refreshed from Google Patents.
US3474474A
Expired / Lapsed
US
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Plastic body and process for making the same
Assignee: United States Department of the Navy
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Filing: 1966-06-27
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Granted: 1969-10-28
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Expires: 1986-06-27
Abstract
No abstract record available.
Inventors
- 👤 Charles C Busenkell
- 👤 William L Mackie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:54
CPC Classifications
F; F41; F41J; F41J9/00; F41J9/04; B; B01; B01F; B01F31/00; B01F31/44; B01F31/441; B01F33/00; B01F33/50; B01F33/501; B01F33/5011; B01F35/00; B01F35/71; B01F35/713; B01F35/7137; B01F35/716; B01F35/7161; B01F35/30; B01F35/32; B01F35/32005; B01F35/3202; Y; Y10; Y10S; Y10S521/00; Y10S521/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |