US2839883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capseal applying tool
Assignee: American Flange and Manufacturing Co Inc
•
Filing: 1953-04-13
•
Granted: 1958-06-24
•
Expires: 1973-04-13
Abstract
No abstract record available.
Inventors
- 👤 Seward M Roberts
- 👤 Swen H Ericson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:47
CPC Classifications
B; B67; B67B; B67B3/00; B67B3/02; B67B3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB287655A
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US1743475A
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US1951032A
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US2116068A
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US2313843A
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US2325538A
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US2501720A
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US2462994A
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US2643805A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |