US2669231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retaining means for flexible tubes
Assignee: Individual
•
Filing: 1952-11-13
•
Granted: 1954-02-16
•
Expires: 1972-11-13
Abstract
No abstract record available.
Inventors
- 👤 Fisher Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:44
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/02; A61M2025/0253; A61M2025/026; Y; Y10; Y10S; Y10S128/00; Y10S128/26; Y10S24/00; Y10S24/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |