US2721089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion type adapter for use with a conduit adapted to deliver fluid under pressure
Assignee: Individual
•
Filing: 1952-05-31
•
Granted: 1955-10-18
•
Expires: 1972-05-31
Abstract
No abstract record available.
Inventors
- 👤 Shames Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:27
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/02; F16L37/04; F16L37/05; Y; Y10; Y10S; Y10S261/00; Y10S261/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2075714A
Cited
US2277885A
Cited
US2343774A
Cited
US2398043A
Cited
US2508827A
Cited
US2543954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |