Patent US3201842A successfully refreshed from Google Patents.
US3201842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic fastener
Assignee: Individual
•
Filing: 1963-02-14
•
Granted: 1965-08-24
•
Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Charles S Armistead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:47
CPC Classifications
A; A47; A47G; A47G27/00; A47G27/04; A47G27/0406; A41; A41H; A41H15/00; A47G1/00; A47G1/16; A47G1/17; Y; Y10; Y10T; Y10T24/00; Y10T24/32; Y10T24/44; Y10T24/44291; Y10T24/44376; Y10T24/44385; Y10T24/44462; Y10T24/4447; Y10T24/44547
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
147 words
A FASTENER FOR HOLDING FLEXIBLE SHEET MATERIAL COMPRISING: A PAIR OF PLATES HINGED TOGETHER ALONE ONE EDGE THEREOF, SAID PLATES BEING ARRANGED FOR MOVEMENT BETWEEN A CONFRONTING POSITION AND A POSITION WHEREIN ONE OF SAID PLATES IS DISPOSED AT AN ANGLE TO THE OTHER; A PAIR OF SPACED, PARALLEL BARS SECURED TO THE CONFRONTING FACE OF ONE OF SAID PLATES AND PROJECTING NORMALLY THEREFROM, THE OTHER PLATE HAVING MAGNETIC MEANS ASSOCIATED THEREWITH; A WEDGE BAR SECURED TO THE CONFRONTING FACE OF THE OTHER PLATE AND PROJECTING NORMALLY THEREFROM, SAID WEDGE BAR BEING ARRRANGED TO ENTER THE SPACE BETWEEN SAID SPACED BARS WHEN SAID PLATES ARE IN CONFRONTING POSITION AND TO COOPERATE THEREWITH TO GRIP FLEXIBLE SHEET MATERIAL THEREBETWEEN; AND A MAGNETIC SECURED TO SAID ONE CONFRONTING FACE ADJACENT EACH END OF SAID PARALLEL BARS FOR ATTRACTING SAID MAGNETIC MEANS TO HOLD SAID PLATES IN SAID CONFRONTING POSITION.
References Cited (Backward Citations)
US1173282A
Cited
AT143816B
Cited
US2497266A
Cited
US2862752A
Cited
US2964275A
Cited
DE1088074B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |