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US2904260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cooled blower-type cleaner
Assignee: Diamond Power Specialty Corp
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Filing: 1955-06-09
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Granted: 1959-09-15
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Expires: 1975-06-09
Abstract
No abstract record available.
Inventors
- 👤 Lyle B Schueler
- 👤 William F Cantieri
- 👤 Orin C Stout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:54
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/072; F28; F28G; F28G3/00; F28G3/16; F28G3/166
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) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |