US3024655A
Expired / Lapsed
US
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Assignee: F W DWYER Manufacturing CO
•
Filing: 1959-06-16
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Granted: 1962-03-13
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Expires: 1979-06-16
Abstract
No abstract record available.
Inventors
- 👤 Frank W Dwyer
- 👤 John P Locke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:20
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/42; B01D46/44; B01D46/446; F; F02; F02M; F02M35/00; F02M35/02; F02M35/08; F02M35/09; F16; F16L; F16L55/00; F16L55/24; F24; F24F; F24F13/00; F24F13/28; Y; Y10; Y10S; Y10S116/00; Y10S116/25
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) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |