US3113377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying a protective closure to a threaded opening
Assignee: Individual
•
Filing: 1958-02-21
•
Granted: 1963-12-10
•
Expires: 1978-02-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry C Oakes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:00
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A METHOD FOR FORMING A PROTECTIVE CLOSURE FOR A THREADED OPENING COMPRISING THE STEPS OF PLACING A THIN MALLEABLE SHEET OVER AN OPENING IN A DIE BLOCK, FORCING SAID SHEET INTO SAID OPENING BY MEANS OF A RADIALLY EXPANDABLE RUBBER PLUNGER OF SUBSTANTIALLY UNIFORM DIAMETER TO FORM A CUP-SHAPED MEMBER HAVING A SIDE WALL, AND REMOVING SAID PLUNGER WITH SAID MEMBER THEREON FROM SAID DIE BLOCK, INSERTING SAID PLUNGER WITH SAID MEMBER STILL THEREON INTO SAID THREADED OPENING, AND EXPANDING SAID PLUNGER TO FORCE SAID SIDE WALL OUTWARDLY SO THAT IT CONFORMS TO THE THREADS OF SAID THREADED OPENING.
Claim 2
Independent Claim
99 words
A METHOD FOR FORMING A PROTECTIVE CLOSURE FOR A THREADED OPENING COMPRISING THE STEPS OF PLACING A THIN MALLEABLE SHEET OVER AN OPENING IN A DIE BLOCK, FORCING SAID SHEET INTO SAID OPENING BY MEANS OF A RADIALLY EXPANDABLE RUBBER PLUNGER OF SUBSTANTIALLY UNIFORM DIAMETER TO FORM A CUP-SHAPED MEMBER HAVING A SIDE WALL, AND REMOVING SAID PLUNGER WITH SAID MEMBER THEREON FROM SAID DIE BLOCK, INSERTING SAID PLUNGER WITH SAID MEMBER STILL THEREON INTO SAID THREADED OPENING, AND EXPANDING SAID PLUNGER TO FORCE SAID SIDE WALL OUTWARDLY SO THAT IT CONFORMS TO THE THREADS OF SAID THREADED OPENING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |