US2930531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wriggler type fluid distributor
Assignee: Individual
•
Filing: 1955-08-29
•
Granted: 1960-03-29
•
Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Merritt T Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:57
CPC Classifications
B; B05; B05B; B05B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US182413A
Cited
US374960A
Cited
US1716305A
Cited
US2622926A
Cited
GB634331A
Cited
GB629579A
Cited
US2631586A
Cited
US2757685A
Cited
FR1093928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |