US2708548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blower
Assignee: Hosdreg Co Inc
•
Filing: 1953-10-12
•
Granted: 1955-05-17
•
Expires: 1973-10-12
Abstract
No abstract record available.
Inventors
- 👤 Blanton Grover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:46
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/126; F04C18/00; F04C18/08; F04C18/082; F04C18/086; F04C2230/00; F04C2230/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1771863A
Cited
US1879136A
Cited
US1972632A
Cited
US1927395A
Cited
US2176322A
Cited
US2336294A
Cited
US2619039A
Cited
US2660259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |