US2907341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needle type valve for inflatable container
Assignee: Dill Manufacturing Co
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Filing: 1957-09-03
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Granted: 1959-10-06
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Expires: 1977-09-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph K Boyer
- 👤 Nece Roger Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:55
CPC Classifications
B; B65; B65D; B65D37/00; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788
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) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |