US3032709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control device
Assignee: Peerless Equipment Co
•
Filing: 1957-09-30
•
Granted: 1962-05-01
•
Expires: 1977-09-30
Abstract
No abstract record available.
Inventors
- 👤 Edmond R Dudley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:32
CPC Classifications
B; B65; B65B; B65B57/00; B65B57/02; B65G; B65G23/00; B65G2811/00; B65G2811/09; B65G2811/091; B65G2811/093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1969536A
Cited
US1957222A
Cited
US2481345A
Cited
GB565561A
Cited
US2508494A
Cited
US2587664A
Cited
US2703384A
Cited
US2806181A
Cited
US2863546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |