Patent US1108354A successfully refreshed from Google Patents.
US3562813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neck closure for protective hood device
Assignee: GT Schjeldahl Co
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Filing: 1969-07-03
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Granted: 1971-02-16
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Expires: 1989-07-03
Abstract
Abstract IN COMBINATION, PROTECTIVE HOOD MEAS ADAPTED TO COVER AND ENCLOSE THE WEARER''S HEAD, AND NECK CLOSURE MEANS, THE PROTECTIVE HOOD MEANS INCLUDING A HOOD ENCLOSURE WITH A CLOSED TOP END AND AN OPEN BOTTOM END, AND FABRICATED FROM GAS IMPERMEABLE FLEXIBLE FILM OF TRANSPARENT HEAT RESISTANT MATERIAL, THE NECK CLOSURE MEANS BEING DISPOSED ADJACENT THE OPEN END THE HOOD AND ADAPTED TO SNUGLY FIT ABOUT THE NECK OF THE WEARER, THE NECK CLOSURE MEANS COMPRISING AN ANNULAR RING OF GENERALLY SELF-SUPPORTING ELASTOMERIC FILM.
Inventors
- 👤 Terrence F Origer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:28
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/02; A61F9/029; A61F9/022; A62; A62B; A62B17/00; A62B17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |