US3102480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing and/or delay device
Assignee: Philips North America LLC
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Filing: 1955-03-18
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Granted: 1963-09-03
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Expires: 1975-03-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Severance
- 👤 Donald E Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:51
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/28; F42C15/285
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
185 words
A MECHANISM HAVING AN OPERATION CYCLE OF PREDETERMINED TIME DURATION COMPRISING A SUPPORT, A MEMBER MOVABLY MOUNTED ON SAID SUPPORT, AND A CONTROL DEVICE FOR RELEASING SAID MEMBER AFTER A PREDETERMINED TIME PERIOD IN RESPONSE TO AN EXTERNAL ACCELERATIVE FORCE COMPRISING A CONTAINER MEMBER DISPOSED RELATIVE TO SAID MOVABLE MEMBER TO INHIBIT ACTUATION OF SAID MOVABLE MEMBER AND SLIDABLY MOUNTED ON SAID SUPPORT FOR MOVEMENT IN RESPONSE TO SAID ACCELERATIVE FORCE TO RELEASE SAID MOVABLE MEMBER, A STATIONARY PLUNGER WITHIN ONE END OF SAID CONTAINER MEMBER FORMING A SMALL CHAMBER AND A LARGE CHAMBER WITHIN SAID CONTAINER MEMBER, SAID PLUNGER HAVING CLEARANCE SPACE BETWEEN IT AND THE WALLS OF SAID CONTAINER, AND PARTICLES OF SOLID MATERIAL FILLING SAID LARGE CHAMBER AND HAVING A DIAMETER SLIGHTLY SMALLER THAN THE CLEARANCE BETWEEN SAID PLUNGER AND SAID CONTAINER MEMBER, WHEREBY LONGITUDINAL ACCELERATIVE FORCES ACTING ON SAID PARTICLES AND SAID CONTAINER MEMBER TOWARD SAID SMALL CHAMBER CAUSE THE FLOW OF SAID PARTICLES AROUND THE EDGES OF SAID PLUNGER INTO SAID SMALL CHAMBER AND MOVEMENT OF SAID CONTAINER MEMBER TOWARD THE SMALL CHAMBER AT A RATE PROPORTIONAL TO SAID FORCES.
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |