US2549966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of metalized paper for electric condensers
Assignee: A H HUNT Ltd
•
Filing: 1946-06-26
•
Granted: 1951-04-24
•
Expires: 1966-06-26
Abstract
No abstract record available.
Inventors
- 👤 Grouse Richard Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:49
CPC Classifications
H; H01; H01G; H01G13/00; H01G13/06; Y; Y10; Y10T; Y10T29/00; Y10T29/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US692834A
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US920970A
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US1651074A
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US1909079A
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US2066588A
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US2113714A
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US2248057A
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US2365576A
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US2435441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |