US3055284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dampers
Assignee: Marlo Coil Co
•
Filing: 1960-03-16
•
Granted: 1962-09-25
•
Expires: 1980-03-16
Abstract
No abstract record available.
Inventors
- 👤 Louis C Pellegrini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:42
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2137426A
Cited
US2142616A
Cited
US2331758A
Cited
US2394059A
Cited
US2863374A
Cited
US2884848A
Cited
US2997939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |