US3380491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal electric nozzle
Assignee: Emco Wheaton Inc
•
Filing: 1965-03-26
•
Granted: 1968-04-30
•
Expires: 1985-03-26
Abstract
No abstract record available.
Inventors
- 👤 Lester P Rosell
- 👤 Richard D Pentecost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:09
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/42; B67D7/44; B67D7/46; B67D7/48
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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |