US2740563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid receiving fitting
Assignee: Chiksan Co
•
Filing: 1952-11-18
•
Granted: 1956-04-03
•
Expires: 1972-11-18
Abstract
No abstract record available.
Inventors
- 👤 Donald M Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:14
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0923
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US420320A
Cited
US1871055A
Cited
US1915343A
Cited
US2219178A
Cited
US2415972A
Cited
US2545620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |