US3073919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lapsed timer
Assignee: Individual
•
Filing: 1960-07-05
•
Granted: 1963-01-15
•
Expires: 1980-07-05
Abstract
No abstract record available.
Inventors
- 👤 William E Holder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:55
CPC Classifications
G; G04; G04F; G04F1/00; G04F1/04; G04F1/06; G04F1/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A LAPSED TIMER COMPRISING A HOLLOW DRUM HAVING A CENTRAL AXIS, MEANS DIVIDING THE DRUM INTO TWO ECCENTRIC SECTIONAL COMPARTMENTS, MEANS PROVIDING A LARGE PASSAGEWAY OVER SAID DIVIDING MEANS BETWEEN SAID TWO COMPARTMENTS, MEANS PROVIDING A PASSAGEWAY BELOW AT LEAST PART OF SAID DIVIDING MEANS AND EXTENDING BETWEEN SAID TWO COMPARTMENTS, SAID PASSAGEWAY HAVING A RESTRICTED OPENING THEREIN, A LIQUID WITHIN SAID DRUM, MEANS MOUNTING SAID DRUM FOR OSCILLATION ABOUT SAID CENTRAL AXIS AND MEANS PREVENTING SAID DRUM FROM ROTATING WHEN SAID DRUM IS IN UNSTABLE EQUILIBRIUM WITH THE LIQUID IN ONE OF THE COMPARTMENTS WHICH THEN IS UPPERMOST AND PERMITTING THE DRUM TO TURN WHEN SUFFICIENT LIQUID HAS FLOWED THROUGH THE SECOND PASSAGEWAY INTO THE OTHER COMPARTMENT TO CHANGE THE EQUILIBRIUM OF THE DRUM TO AN OPPOSITE UNSTABLE EQUILIBRIUM.
Claim 2
Dependent Claim
130 words
A LAPSED TIMER COMPRISING A HOLLOW DRUM HAVING A CENTRAL AXIS, MEANS DIVIDING THE DRUM INTO TWO ECCENTRIC SECTIONAL COMPARTMENTS, MEANS PROVIDING A LARGE PASSAGEWAY OVER SAID DIVIDING MEANS BETWEEN SAID TWO COMPARTMENTS, MEANS PROVIDING A PASSAGEWAY BELOW AT LEAST PART OF SAID DIVIDING MEANS AND EXTENDING BETWEEN SAID TWO COMPARTMENTS, SAID PASSAGEWAY HAVING A RESTRICTED OPENING THEREIN, A LIQUID WITHIN SAID DRUM, MEANS MOUNTING SAID DRUM FOR OSCILLATION ABOUT SAID CENTRAL AXIS AND MEANS PREVENTING SAID DRUM FROM ROTATING WHEN SAID DRUM IS IN UNSTABLE EQUILIBRIUM WITH THE LIQUID IN ONE OF THE COMPARTMENTS WHICH THEN IS UPPERMOST AND PERMITTING THE DRUM TO TURN WHEN SUFFICIENT LIQUID HAS FLOWED THROUGH THE SECOND PASSAGEWAY INTO THE OTHER COMPARTMENT TO CHANGE THE EQUILIBRIUM OF THE DRUM TO AN OPPOSITE UNSTABLE EQUILIBRIUM.
References Cited (Backward Citations)
US992631A
Cited
US2211594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |