Patent US3142908A successfully refreshed from Google Patents.
US3142908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave generating apparatus
Assignee: American Science and Engineering Inc
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Filing: 1962-07-19
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Granted: 1964-08-04
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Expires: 1982-07-19
Abstract
No abstract record available.
Inventors
- 👤 Annis Martin
- 👤 Jr Edwin C Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:09
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/06; G09B23/08; G09B23/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
WAVE GENERATING APPARATUS COMPRISING TWO WAVE GENERATORS ADAPTED TO BE SPACED APART FOR ACTING ON A WAVE PROPAGATING MEDIUM TO GENERATE WAVES THEREIN, EACH SAID WAVE GENERATOR INCLUDING A SUPPORT STRUCTURE ADAPTED TO BE POSITIONED IN SAID WAVE PROPAGATING MEDIUM, WAVE GENERATING MEANS PIVOTALLY MOUNTED ON SAID SUPPORT STRUCTURE AT A POINT ABOVE THE SURFACE OF SAID WAVE PROPAGATING MEDIUM, SAID WAVE GENERATING MEANS INCLUDING A WAVE INITIATING MEMBER POSITIONED FORWARDLY FROM SAID PIVOT POINT, A PENDULOUS MEMBER EXTENDING DOWNWARD FROM SAID PIVOT POINT, AND AN ACTUATOR MEMBER POSITIONED REARWARDLY FROM SAID PIVOT POINT,
Claim 2
Dependent Claim
94 words
WAVE GENERATING APPARATUS COMPRISING TWO WAVE GENERATORS ADAPTED TO BE SPACED APART FOR ACTING ON A WAVE PROPAGATING MEDIUM TO GENERATE WAVES THEREIN, EACH SAID WAVE GENERATOR INCLUDING A SUPPORT STRUCTURE ADAPTED TO BE POSITIONED IN SAID WAVE PROPAGATING MEDIUM, WAVE GENERATING MEANS PIVOTALLY MOUNTED ON SAID SUPPORT STRUCTURE AT A POINT ABOVE THE SURFACE OF SAID WAVE PROPAGATING MEDIUM, SAID WAVE GENERATING MEANS INCLUDING A WAVE INITIATING MEMBER POSITIONED FORWARDLY FROM SAID PIVOT POINT, A PENDULOUS MEMBER EXTENDING DOWNWARD FROM SAID PIVOT POINT, AND AN ACTUATOR MEMBER POSITIONED REARWARDLY FROM SAID PIVOT POINT,
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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |