US3320006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vented mechanical device
Assignee: Emerson Electric Co
•
Filing: 1963-11-01
•
Granted: 1967-05-16
•
Expires: 1983-11-01
Abstract
No abstract record available.
Inventors
- 👤 Cozzarin Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:54
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6637; F16D; F16D41/00; F16D41/06; F16D41/069; F16D41/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2009423A
Cited
US2480229A
Cited
US2688102A
Cited
US2979350A
Cited
US3227497A
Cited
US3956049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |