US3360969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latches
Assignee: J Legge and Co Ltd
•
Filing: 1966-07-11
•
Granted: 1968-01-02
•
Expires: 1986-07-11
Abstract
No abstract record available.
Inventors
- 👤 Pennings Bernard
- 👤 David B Legge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:24
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/14; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0975; Y10T292/1014; Y10T292/1022; Y10T292/1028; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/5487
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
A LATCH FOR A DOOR, THE LATCH INCLUDING A HOUSING FOR ATTACHMENT TO THE INNER FACE OF THE DOOR, A LATCH LATH CONTAINED WITHIN SAID HOUSING, SAID LATH HAVING A NOSE, SPRING MEANS ACTING ON SAID LATH TO URGE IT INTO A POSITION IN WHICH THE NOSE PROJECTS FROM THE HOUSING WHEREBY IT MAY ENGAGE A KEEPER, MEANS FOR EFFECTING RETRACTION OF THE LATH COMPRISING A PLUNGER ACCESSIBLE FROM THE OUTSIDE OF THE DOOR AND MOVABLE MANUALLY IN A DIRECTION TRANSVERSE TO THE DIRECTION OF MOVEMENT OF THE LATH, A FIRST LINK PIVOTED TO THE HOUSING, A SECOND LINK PIVOTED TO THE LATH AND TO SAID FIRST LINK AND A BEARING SURFACE ON ONE OF SAID LINKS, AN END OF SAID PLUNGER BEING ARRANGED TO ABUT SAID BEARING SURFACE WHEREBY MANUAL MOVEMENT OF THE PLUNGER TOWARDS THE LATH SERVES TO EXTEND THE LINK SYSTEM THEREBY RETRACTING THE LATH AGAINST THE ACTION OF THE SPRING MEANS, KEY OPERATED MEANS OPERABLE FROM THE OUTSIDE OF THE DOOR FOR PREVENTING MOVEMENT OF THE PLUNGER, SNIB MEANS OPERABLE FROM THE INSIDE OF THE DOOR FOR PREVENTING MOVEMENT OF THE LATH AND PROJECTING GRIPPING MEANS ON THE LATH ACCESSIBLE FROM THE INSIDE OF THE DOOR FOR MOVING THE LATH INDEPENDENTLY OF MOVEMENT OF THE PLUNGER.
Claim 2
Dependent Claim
210 words
A LATCH FOR A DOOR, THE LATCH INCLUDING A HOUSING FOR ATTACHMENT TO THE INNER FACE OF THE DOOR, A LATCH LATH CONTAINED WITHIN SAID HOUSING, SAID LATH HAVING A NOSE, SPRING MEANS ACTING ON SAID LATH TO URGE IT INTO A POSITION IN WHICH THE NOSE PROJECTS FROM THE HOUSING WHEREBY IT MAY ENGAGE A KEEPER, MEANS FOR EFFECTING RETRACTION OF THE LATH COMPRISING A PLUNGER ACCESSIBLE FROM THE OUTSIDE OF THE DOOR AND MOVABLE MANUALLY IN A DIRECTION TRANSVERSE TO THE DIRECTION OF MOVEMENT OF THE LATH, A FIRST LINK PIVOTED TO THE HOUSING, A SECOND LINK PIVOTED TO THE LATH AND TO SAID FIRST LINK AND A BEARING SURFACE ON ONE OF SAID LINKS, AN END OF SAID PLUNGER BEING ARRANGED TO ABUT SAID BEARING SURFACE WHEREBY MANUAL MOVEMENT OF THE PLUNGER TOWARDS THE LATH SERVES TO EXTEND THE LINK SYSTEM THEREBY RETRACTING THE LATH AGAINST THE ACTION OF THE SPRING MEANS, KEY OPERATED MEANS OPERABLE FROM THE OUTSIDE OF THE DOOR FOR PREVENTING MOVEMENT OF THE PLUNGER, SNIB MEANS OPERABLE FROM THE INSIDE OF THE DOOR FOR PREVENTING MOVEMENT OF THE LATH AND PROJECTING GRIPPING MEANS ON THE LATH ACCESSIBLE FROM THE INSIDE OF THE DOOR FOR MOVING THE LATH INDEPENDENTLY OF MOVEMENT OF THE PLUNGER.
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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |