US3560030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closures
Assignee: Individual
•
Filing: 1967-05-11
•
Granted: 1971-02-02
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Expires: 1987-05-11
Abstract
Abstract THIS INVENTION RELATES TO CLOSURES AND FASTENING DEVICES THAT CAN BE USED TO PLUG ENTRANCE HOLES IN MANIFOLDS AND THE LIKE, TO ANCHOR STUD, SHAFT AND TUBE MEMBERS IN HOLES IN A BODY, AND TO ANCHOR TUBE, CAP OR WHEEL MEMBERS TO A SHAFT OF THE LIKE. THE INVENTION PROVIDES MEANS FOR OBTAINING DOVETAIL-LIKE LOCKS BETWEEN THE SEALING OR ANCHORING MEMBERS, WHEREBY INTERNAL PRESSURE OR EJECTING FORCE CAUSE THE SEALING CONTACT STRESS OR THE PULLOUT RESISTANCE TO INCREASE.
Inventors
- 👤 Fred Macks
- 👤 Harold Gold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:12
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/064; F16D1/072; F16B; F16B17/00; F16B17/006; F16D1/08; F16D1/09; F16D1/093; F16D1/097; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49925; Y10T29/49934; Y10T29/49938; Y10T29/4994; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7058
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |