US2982484A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1958-07-17
•
Granted: 1961-05-02
•
Expires: 1978-07-17
Abstract
No abstract record available.
Inventors
- 👤 Donald A Stahr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:22
CPC Classifications
B; B02; B02C; B02C21/00; B02C21/02; B01; B01F; B01F33/00; B01F33/50; B01F33/502; B01F33/80; B01F33/836; B01F33/8361; B01F33/83613; B01F2101/00; B01F2101/06; B01F2101/18; B01F27/00; B01F27/05; B01F27/11; B01F27/114; B01F27/23; B01F27/232; B01F27/2321; Y; Y10; Y10S; Y10S241/00; Y10S241/604
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA541042A
Cited
US680889A
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US2381505A
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US2408221A
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US2546747A
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US2833485A
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US2815941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |