US3390404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety locking device
Assignee: Individual
•
Filing: 1966-12-08
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Granted: 1968-06-25
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Expires: 1986-12-08
Abstract
No abstract record available.
Inventors
- 👤 Morris D Murchison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:05
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/62; B; B65; B65D; B65D50/00; B65D50/02; B65D50/06; B65D50/067; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/1043; Y10T292/1075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A SAFETY LOCKING DEVICE COMPRISING: (A) A FIRST DISC AND A SECOND DISC, (B) MEANS MOUNTING SAID DISCS IN LINE WITH SAID FIRST DISC BEING ROTATABLE WITH RESPECT TO SAID SECOND DISC AND SAID FIRST DISC BEING MOVABLE TOWARD SAID SECOND DISC, (C) MEANS BIASING SAID DISCS TOWARDS EACH OTHER, (D) INTERLOCKING MEANS PREVENTING ROTATION OF SAID FIRST DISC RELATIVE TO SAID SECOND DISC UNTIL SAID DISCS ARE SEPARATED BY A PREDETERMINED DISTANCE, (E) AND A LOCKING ARM EXTENDING THROUGH SAID SECOND DISC AND ROTATABLE BETWEEN A LOCKING POSITION AND AN UNLOCKING POSITION, SAID LOCKING ARM INCLUDING MEANS LOCATED BETWEEN SAID FIRST AND SECOND DISCS AND ACTUATED BY ROTATION OF SAID FIRST DISC RELATIVE TO SAID SECOND DISC TO ROTATE SAID LOCKING ARM BETWEEN SAID LOCKING AND UNLOCKING POSITIONS.
Claim 2
Dependent Claim
129 words
A SAFETY LOCKING DEVICE COMPRISING: (A) A FIRST DISC AND A SECOND DISC, (B) MEANS MOUNTING SAID DISCS IN LINE WITH SAID FIRST DISC BEING ROTATABLE WITH RESPECT TO SAID SECOND DISC AND SAID FIRST DISC BEING MOVABLE TOWARD SAID SECOND DISC, (C) MEANS BIASING SAID DISCS TOWARDS EACH OTHER, (D) INTERLOCKING MEANS PREVENTING ROTATION OF SAID FIRST DISC RELATIVE TO SAID SECOND DISC UNTIL SAID DISCS ARE SEPARATED BY A PREDETERMINED DISTANCE, (E) AND A LOCKING ARM EXTENDING THROUGH SAID SECOND DISC AND ROTATABLE BETWEEN A LOCKING POSITION AND AN UNLOCKING POSITION, SAID LOCKING ARM INCLUDING MEANS LOCATED BETWEEN SAID FIRST AND SECOND DISCS AND ACTUATED BY ROTATION OF SAID FIRST DISC RELATIVE TO SAID SECOND DISC TO ROTATE SAID LOCKING ARM BETWEEN SAID LOCKING AND UNLOCKING POSITIONS.
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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |