Patent US2864534A successfully refreshed from Google Patents.
US2864534A
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Apparatus for simultaneously puncturing gas charged containers
Assignee: Virginia Smelting Co
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Filing: 1955-04-12
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Granted: 1958-12-16
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Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Jr George T Wrenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:13
CPC Classifications
F; F17; F17C; F17C7/00; F17C13/00; F17C13/002; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2205/00; F17C2205/01; F17C2205/0123; F17C2205/013; F17C2205/0134; F17C2205/03; F17C2205/0302; F17C2205/0311; F17C2205/032; F17C2205/0323; F17C2205/0329; F17C2205/0388; F17C2205/0394; F17C2270/00; F17C2270/07; F17C2270/0718
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) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |