US3032890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing structures for treating chambers
Assignee: Continental Can Co Inc
•
Filing: 1958-03-28
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Granted: 1962-05-08
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Expires: 1978-03-28
Abstract
No abstract record available.
Inventors
- 👤 Robert M Brick
- 👤 Roger S Brigham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:04
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/562; C21D9/565; C23; C23C; C23C14/00; C23C14/22; C23C14/56; C23C14/562
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE167390C
Cited
FR759923A
Cited
US2384500A
Cited
US2367174A
Cited
US2844889A
Cited
US2865112A
Cited
US2890878A
Cited
US2963001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |