US3426981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foreign body guards
Assignee: TECHNOLOGY UK
•
Filing: 1967-02-20
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Granted: 1969-02-11
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Expires: 1987-02-20
Abstract
No abstract record available.
Inventors
- 👤 Alastair William Rodne Allcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:31
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/70; F04D29/701; B; B64; B64D; B64D15/00; B64D33/00; B64D33/02; B64D45/00; F02; F02C; F02C7/00; F02C7/04; F02C7/05; F02C7/055; B64D2033/022; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10T; Y10T137/00; Y10T137/0536
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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |