Patent US2978708A successfully refreshed from Google Patents.
US2978708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head-pieces for pressurized clothing
Assignee: Vickers Ltd
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Filing: 1958-09-05
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Granted: 1961-04-11
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Expires: 1978-09-05
Abstract
No abstract record available.
Inventors
- 👤 Kenneth G Williams
- 👤 Green Jack Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:49
CPC Classifications
B; B64; B64D; B64D10/00; A; A62; A62B; A62B17/00; A62B17/04
Claims Analysis
Total Claims: 0
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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) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |