US3306633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick disconnect coupling
Assignee: Individual
•
Filing: 1965-03-30
•
Granted: 1967-02-28
•
Expires: 1985-03-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick L Haake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:56
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/12; F16L37/1235; Y; Y10; Y10T; Y10T403/00; Y10T403/29; Y10T403/291
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A COUPLING DEVICE FOR RELEASABLY SECURING TOGETHER TWO ADJOINING SECTIONS OF AN OBJECT, THE SECTIONS HAVING INTERFITTING INTERIOR RIDGES OR FLANGES WHICH REGISTER WITH EACH OTHER COMPRISING: A STRUCTURAL MEMBER CENTRALLY DISPOSED WITH RESPECT TO THE FLANGES TO BE RELEASABLY SECURED; A PLURALITY OF MOVABLE WEDGING MEMBERS SPACED ABOUT THE INTERFITTING FLANGES AND ADAPTED TO EXERT A BINDING FORCE THEREUPON; AND
Claim 2
Dependent Claim
61 words
A COUPLING DEVICE FOR RELEASABLY SECURING TOGETHER TWO ADJOINING SECTIONS OF AN OBJECT, THE SECTIONS HAVING INTERFITTING INTERIOR RIDGES OR FLANGES WHICH REGISTER WITH EACH OTHER COMPRISING: A STRUCTURAL MEMBER CENTRALLY DISPOSED WITH RESPECT TO THE FLANGES TO BE RELEASABLY SECURED; A PLURALITY OF MOVABLE WEDGING MEMBERS SPACED ABOUT THE INTERFITTING FLANGES AND ADAPTED TO EXERT A BINDING FORCE THEREUPON; AND
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |