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US3473334A
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Apparatus and method for producing waves
Assignee: ZUERCHER GARY L
•
Filing: 1968-06-24
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Granted: 1969-10-21
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Expires: 1988-06-24
Abstract
No abstract record available.
Inventors
- 👤 Phillip Dexter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:19
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/0006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3005207A
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US3350724A
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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) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |