US3150893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draw latch
Assignee: Hartwell Corp
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Filing: 1962-10-29
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Granted: 1964-09-29
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Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Poe Lloyd Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:47
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/02; E05C1/06; E05C19/00; E05C19/10; E05C19/105; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0915; Y10T292/0945; Y10T292/0951; Y10T292/0956
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A DRAW LATCH COMPRISING: (A) A LATCH PLATE; (B) A BODY MEMBER SLIDABLY RECEIVING SAID LATCH PLATE; (C) A ROTATABLE DRIVE MEMBER JOUARNALLED IN SAID BODY MEMBER; (D) A DRIVE LINKAGE OPERATIVELY CONNECTING SAID DRIVE MEMBER AND LATCH PLATE TO EFFECT LONGITUDINAL MOVEMENT OF SAID LATCH PLATE ON ROTATION OF SAID DRIVE MEMBER; (E) INTERENGAGEABLE LOCKING MEANS INTERPOSED BETWEEN SAID BODY MEMBER AND DRIVE MEMBER FOR SECURING SAID DRIVE MEMBER AND SAID LATCH PLATE AGAINST MOVEMENT; (F) AND A HANDLE CONNECTED WITH SAID DRIVE MEMBER AND INCLUDING AN ELEMENT FOR DISENGAGING SAID LOCKING MEANS TO FREE SAID DRIVE MEMBER FOR OPERATION OF SAID LATCH PLATE.
Claim 2
Dependent Claim
105 words
A DRAW LATCH COMPRISING: (A) A LATCH PLATE; (B) A BODY MEMBER SLIDABLY RECEIVING SAID LATCH PLATE; (C) A ROTATABLE DRIVE MEMBER JOUARNALLED IN SAID BODY MEMBER; (D) A DRIVE LINKAGE OPERATIVELY CONNECTING SAID DRIVE MEMBER AND LATCH PLATE TO EFFECT LONGITUDINAL MOVEMENT OF SAID LATCH PLATE ON ROTATION OF SAID DRIVE MEMBER; (E) INTERENGAGEABLE LOCKING MEANS INTERPOSED BETWEEN SAID BODY MEMBER AND DRIVE MEMBER FOR SECURING SAID DRIVE MEMBER AND SAID LATCH PLATE AGAINST MOVEMENT; (F) AND A HANDLE CONNECTED WITH SAID DRIVE MEMBER AND INCLUDING AN ELEMENT FOR DISENGAGING SAID LOCKING MEANS TO FREE SAID DRIVE MEMBER FOR OPERATION OF SAID LATCH PLATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |