US3220757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-disconnect coupling
Assignee: Individual
•
Filing: 1962-03-22
•
Granted: 1965-11-30
•
Expires: 1982-03-22
Abstract
No abstract record available.
Inventors
- 👤 David M Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:42
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/22; F16D; F16D1/00; F16D1/10; F16D1/108; Y; Y10; Y10T; Y10T403/00; Y10T403/65; Y10T403/655
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A CONNECTOR FOR TWO PARTS EACH HAVING A SHANK OF SUBSTANTIALLY THE SAME DIAMETER TERMINATING IN MATING PORTIONS HAVING MUTUAL OVERLAPPING AND INTERLOCKING MEANS EXTENDING FOR A SUBSTANTIAL PORTION OF THE LENGTH THEREOF, SUCH THAT WHEN SAID PARTS ARE SO HELD TOGETHER, SAID INTERLOCKING MEANS TENDS TO RESIST FORCES TENDING TO PULL SAID PARTS ASUNDER, SUCH PARTS, WHEN UNITED, THEREBY FORMING A JOINT SERVING AS THE APPARENT CONTINUATION OF EACH OF SAID SHANKS, A SLEEVE AROUND ONE OF SAID SHANKS AND SLIDABLE FROM A RETRACTED POSITION IN WHICH SAID PARTS MAY BE RELEASED FROM ONE ANOTHER, TO AN EXTENDED POSITION IN WHICH SAID SLEEVE SURROUNDS, SAID JOINT FOR A SUBSTANTIAL PROPORTION OF ITS LENGTH, AND SECURES SAID JOINT
Claim 2
Dependent Claim
118 words
A CONNECTOR FOR TWO PARTS EACH HAVING A SHANK OF SUBSTANTIALLY THE SAME DIAMETER TERMINATING IN MATING PORTIONS HAVING MUTUAL OVERLAPPING AND INTERLOCKING MEANS EXTENDING FOR A SUBSTANTIAL PORTION OF THE LENGTH THEREOF, SUCH THAT WHEN SAID PARTS ARE SO HELD TOGETHER, SAID INTERLOCKING MEANS TENDS TO RESIST FORCES TENDING TO PULL SAID PARTS ASUNDER, SUCH PARTS, WHEN UNITED, THEREBY FORMING A JOINT SERVING AS THE APPARENT CONTINUATION OF EACH OF SAID SHANKS, A SLEEVE AROUND ONE OF SAID SHANKS AND SLIDABLE FROM A RETRACTED POSITION IN WHICH SAID PARTS MAY BE RELEASED FROM ONE ANOTHER, TO AN EXTENDED POSITION IN WHICH SAID SLEEVE SURROUNDS, SAID JOINT FOR A SUBSTANTIAL PROPORTION OF ITS LENGTH, AND SECURES SAID JOINT
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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |