Patent US3225459A successfully refreshed from Google Patents.
US3225459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instrument flight training hood
Assignee: Individual
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Filing: 1964-06-15
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Granted: 1965-12-28
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Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Leonard L Wilstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:55
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/14; B64C1/1476
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN INSTRUMENT FLIGHT TRAINING HOOD COMPRISING A SHIELD HAVING MEANS WHEREBY IT MAY BE SUPPORTED FROM A PERSONS''S HEAD, SAID SHIELD HAVING PARTS AROUND THE UPPER AND SIDE PORTIONS OF THE WEARER''S FACE AND AN EXTENDING BEAK PART HAVING DOWNWARDLY EXTENDING SIDE PARTS, THE SHIELD BEING OPEN AT THE BOTTOM WHEREBY THE AREA THAT MAY BE VIEWED BY THE WEARER IS LIMITED BY THE LENGTH AND CONFIGURATION OF THE BEAK, MEANS WHEREBY SIDE PARTS OF THE EXTENDING BEAK MAY BE ADJUSTED TRANSVERSELY TO PROVIDE A VARIABLE CONTROLLED AREA OF VIEW, THE SAID BEAK BEING FORMED SO THAT THE FORWARD ENDS OF THE SIDE PARTS THEREOF MAY BE SPREAD OUTWARDLY ANGULARLY, AND AN ADDITIONAL PIECE OF MATERIAL SPANNING THE GAP BETWEEN THE SIDE PARTS OF THE BEAK, THE SIDE PARTS HAVING ADJUSTABLE RELATIONSHIP WITH SAID ADDITIONAL PIECE.
Claim 2
Dependent Claim
136 words
AN INSTRUMENT FLIGHT TRAINING HOOD COMPRISING A SHIELD HAVING MEANS WHEREBY IT MAY BE SUPPORTED FROM A PERSONS''S HEAD, SAID SHIELD HAVING PARTS AROUND THE UPPER AND SIDE PORTIONS OF THE WEARER''S FACE AND AN EXTENDING BEAK PART HAVING DOWNWARDLY EXTENDING SIDE PARTS, THE SHIELD BEING OPEN AT THE BOTTOM WHEREBY THE AREA THAT MAY BE VIEWED BY THE WEARER IS LIMITED BY THE LENGTH AND CONFIGURATION OF THE BEAK, MEANS WHEREBY SIDE PARTS OF THE EXTENDING BEAK MAY BE ADJUSTED TRANSVERSELY TO PROVIDE A VARIABLE CONTROLLED AREA OF VIEW, THE SAID BEAK BEING FORMED SO THAT THE FORWARD ENDS OF THE SIDE PARTS THEREOF MAY BE SPREAD OUTWARDLY ANGULARLY, AND AN ADDITIONAL PIECE OF MATERIAL SPANNING THE GAP BETWEEN THE SIDE PARTS OF THE BEAK, THE SIDE PARTS HAVING ADJUSTABLE RELATIONSHIP WITH SAID ADDITIONAL PIECE.
References Cited (Backward Citations)
US2572656A
Cited
US2694263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |