US3295878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening apparatus
Assignee: Dow Chemical Co
•
Filing: 1964-07-06
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Granted: 1967-01-03
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Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Irving S Houvener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:39
CPC Classifications
E; E05; E05B; E05B51/00; E05B51/02; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A LATCHING MECHANISM COMPRISING AN ACTUATING MEANS AND A PLURALITY OF BOLT MEMBERS SELECTIVELY POSITIONED BY THE ACTUATING MEANS, THE LATCHING MECHANISM COMPRISING IN COOPERATIVE COMBINATION AN HYDRAULIC ACTUATING MEANS COMPRISING A MASTER HYDRAULIC CYLINDER HAVING ONE PISTON ADAPTED TO DISPLACE THE FLUID FROM THE CYLINDER, A FIRST OPERATING HANDLE IN OPERATIVE ENGAGEMENT WITH THE PISTON ADAPTED TO FORCE THE PISTON INTO THE CYLINDER AND DISPLACE FLUID THEREFROM, A SECOND OPERATING HANDLE IN OPERATIVE ENGAGEMENT WITH THE PISTON AND ADAPTED TO FORCE THE PISTON INTO THE CYLINDER AND DISPLACE FLUID THEREFROM, THE FIRST AND SECOND OPERATING HANDLES HAVING MEANS CONNECTING THE HANDLES TO THE PISTON AND THE HANDLES SO CONSTRUCTED AND ARRANGED SO THAT EACH OF THE OPERATING HANDLES OPERATE INDEPENDENTLY OF EACH OTHER, A PLURALITY OF HYDRAULIC HOLT ACTUATING CYLINDERS REMOTELY DISPOSED FROM THE MASTER HYDRAULIC CYLINDER AND IN COMMUNICATION THEREWITH BY MEANS OF A CONDUIT, EACH OF THE BOLT ACTUATING CYLINDERS IN COOPERATIVE COMBINATION WITH A BOLT SO CONSTRUCTED AND ARRANGED SO AS TO ENGAGE A STRIKE.
Claim 2
Dependent Claim
169 words
A LATCHING MECHANISM COMPRISING AN ACTUATING MEANS AND A PLURALITY OF BOLT MEMBERS SELECTIVELY POSITIONED BY THE ACTUATING MEANS, THE LATCHING MECHANISM COMPRISING IN COOPERATIVE COMBINATION AN HYDRAULIC ACTUATING MEANS COMPRISING A MASTER HYDRAULIC CYLINDER HAVING ONE PISTON ADAPTED TO DISPLACE THE FLUID FROM THE CYLINDER, A FIRST OPERATING HANDLE IN OPERATIVE ENGAGEMENT WITH THE PISTON ADAPTED TO FORCE THE PISTON INTO THE CYLINDER AND DISPLACE FLUID THEREFROM, A SECOND OPERATING HANDLE IN OPERATIVE ENGAGEMENT WITH THE PISTON AND ADAPTED TO FORCE THE PISTON INTO THE CYLINDER AND DISPLACE FLUID THEREFROM, THE FIRST AND SECOND OPERATING HANDLES HAVING MEANS CONNECTING THE HANDLES TO THE PISTON AND THE HANDLES SO CONSTRUCTED AND ARRANGED SO THAT EACH OF THE OPERATING HANDLES OPERATE INDEPENDENTLY OF EACH OTHER, A PLURALITY OF HYDRAULIC HOLT ACTUATING CYLINDERS REMOTELY DISPOSED FROM THE MASTER HYDRAULIC CYLINDER AND IN COMMUNICATION THEREWITH BY MEANS OF A CONDUIT, EACH OF THE BOLT ACTUATING CYLINDERS IN COOPERATIVE COMBINATION WITH A BOLT SO CONSTRUCTED AND ARRANGED SO AS TO ENGAGE A STRIKE.
References Cited (Backward Citations)
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US2002798A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |