Patent US3417994A successfully refreshed from Google Patents.
US3417994A
Expired / Lapsed
US
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Arrow with integral trailing device
Assignee: GEORGE W ROHRBAUGH JR
•
Filing: 1965-04-08
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Granted: 1968-12-24
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Expires: 1985-04-08
Abstract
No abstract record available.
Inventors
- 👤 Jr George W Rohrbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:45
CPC Classifications
F; F42; F42B; F42B6/00; F42B6/02; F42B6/04; F42B12/00; F42B12/02; F42B12/36; F42B12/362
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |