Patent US3130489A successfully refreshed from Google Patents.
US3130489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fastening together pieces of material
Assignee: Schlage Lock Co LLC
•
Filing: 1960-07-11
•
Granted: 1964-04-28
•
Expires: 1980-07-11
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Schlage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:13
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/03; B21D39/031; B21D39/032; Y; Y10; Y10T; Y10T29/00; Y10T29/34; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A METHOD OF FASTENING TOGETHER PIECES OF MATERIAL, COMPRISING, FIRST PROVIDING A NETHER PIECE HAVING A RECESS OF A PREDETERMINED SHAPE, THEN COVERING SAID NETHER PIECE AND SAID RECESS WITH A CONTINUOUS UPPER PIECE, THEN CONTINUOUSLY EXERTING PRESSURE ON SAID UPPER PIECE IN AN AREA IMMEDIATELY ABOVE SAID RECESS AND SUFFICIENT TO SEVER A SLUG HAVING AN UPPER SURFACE AND A LOWER SURFACE FROM SAID UPPER PIECE AND TO DISPLACE SAID SEVERED SLUG PART WAY FROM SAID UPPER PIECE AND INTO SAID RECESS, AND FINALLY SQUEEZING THE UPPER AND LOWER SURFACES OF SAID DISPLACED SLUG UNTIL SAID SQUEEZED SLUG IS ENLARGED PERIPHERALLY INTO ENGAGEMENT WITH THE WALL OF THE RECESS AND THE WALL OF THE UPPER PIECE.
Claim 2
Independent Claim
117 words
A METHOD OF FASTENING TOGETHER PIECES OF MATERIAL, COMPRISING, FIRST PROVIDING A NETHER PIECE HAVING A RECESS OF A PREDETERMINED SHAPE, THEN COVERING SAID NETHER PIECE AND SAID RECESS WITH A CONTINUOUS UPPER PIECE, THEN CONTINUOUSLY EXERTING PRESSURE ON SAID UPPER PIECE IN AN AREA IMMEDIATELY ABOVE SAID RECESS AND SUFFICIENT TO SEVER A SLUG HAVING AN UPPER SURFACE AND A LOWER SURFACE FROM SAID UPPER PIECE AND TO DISPLACE SAID SEVERED SLUG PART WAY FROM SAID UPPER PIECE AND INTO SAID RECESS, AND FINALLY SQUEEZING THE UPPER AND LOWER SURFACES OF SAID DISPLACED SLUG UNTIL SAID SQUEEZED SLUG IS ENLARGED PERIPHERALLY INTO ENGAGEMENT WITH THE WALL OF THE RECESS AND THE WALL OF THE UPPER PIECE.
References Cited (Backward Citations)
US708723A
Cited
US1190759A
Cited
US1252289A
Cited
US1812151A
Cited
US2198146A
Cited
DE939144C
Cited
DE918090C
Cited
US2432819A
Cited
US2723447A
Cited
US2713197A
Cited
US2870533A
Cited
US2975928A
Cited
US3031748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |