Patent US2694516A successfully refreshed from Google Patents.
US2694516A
Expired / Lapsed
US
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Vacuum sealing machine
Assignee: OI Glass Inc
•
Filing: 1951-06-01
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Granted: 1954-11-16
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Expires: 1971-06-01
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Barnby
- 👤 Thomas L Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:49
CPC Classifications
B; B67; B67B; B67B3/00; B67B3/24; Y; Y10; Y10T; Y10T279/00; Y10T279/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1621470A
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US1045567A
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US1367663A
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US1188044A
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US1650416A
Cited
US1860270A
Cited
US2054492A
Cited
US2513143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |