US3124382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door block
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:16
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/003; E05C19/004; Y; Y10; Y10T; Y10T292/00; Y10T292/71; Y10T292/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A DOOR BLOCK COMPRISING, IN COMBINATION, A SUBSTANTIALLY TRIANGULAR-SHAPED WEDGE, A SUBSTANTIALLY TRIANGULARSHAPED BLOCK OF FRICTIONAL MATERIAL CARRIED WITHIN THE LOWER SURFACE OF SAID WEDGE FOR GRIPPING ENGAGEMENT WITH A FLOOR, A PAIR OF TELESCOPIC AND SUBSTANTIALLY ELONGATED RODS SECURED TO THE UPPER END OF SAID WEDGE, PROVIDING CARRYING MEANS FOR SAID WEDGE WHEN SAID DOOR IS URGED PARTIALLY CLOSED AND AN ELONGATED SPRING CARRIED WITHIN THE SOLE PORTION OF SAID WEDGE WHICH SLIDABLY ENGAGES WITH SAID FLOOR AND SPRINGINGLY URGES THE UPPER END OF SAID WEDGE UPWARDLY.
Claim 2
Dependent Claim
88 words
A DOOR BLOCK COMPRISING, IN COMBINATION, A SUBSTANTIALLY TRIANGULAR-SHAPED WEDGE, A SUBSTANTIALLY TRIANGULARSHAPED BLOCK OF FRICTIONAL MATERIAL CARRIED WITHIN THE LOWER SURFACE OF SAID WEDGE FOR GRIPPING ENGAGEMENT WITH A FLOOR, A PAIR OF TELESCOPIC AND SUBSTANTIALLY ELONGATED RODS SECURED TO THE UPPER END OF SAID WEDGE, PROVIDING CARRYING MEANS FOR SAID WEDGE WHEN SAID DOOR IS URGED PARTIALLY CLOSED AND AN ELONGATED SPRING CARRIED WITHIN THE SOLE PORTION OF SAID WEDGE WHICH SLIDABLY ENGAGES WITH SAID FLOOR AND SPRINGINGLY URGES THE UPPER END OF SAID WEDGE UPWARDLY.
References Cited (Backward Citations)
US2376117A
Cited
US3054632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |