US3016866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buoyant pressure vessels for gases
Assignee: Individual
•
Filing: 1960-09-12
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Granted: 1962-01-16
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Expires: 1980-09-12
Abstract
No abstract record available.
Inventors
- 👤 Harry H Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:17
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/025; B; B63; B63B; B63B25/00; B63B25/02; B63B25/08; B63B25/12; B63B25/14; B63B35/00; B63B35/28; F17C2205/00; F17C2205/01; F17C2205/0103; F17C2205/0107; F17C2205/0123; F17C2205/013; F17C2205/0134; F17C2205/0142; F17C2205/0153; F17C2205/0169; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/0105; F17C2270/011; F17C2270/0113; Y; Y10; Y10S; Y10S220/00; Y10S220/901
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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |