US2962727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve mechanism for tanks or the like
Assignee: Crane Co
•
Filing: 1957-04-11
•
Granted: 1960-12-06
•
Expires: 1977-04-11
Abstract
No abstract record available.
Inventors
- 👤 Jerome J Kanter
- 👤 Alfred L Sachs
- 👤 Carl U Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:06
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/02; E03D5/026; E03D1/00; E03D1/02; E03D1/16; E03D1/30; E03D1/304; E03D1/306; Y; Y10; Y10S; Y10S4/00; Y10S4/01
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) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |