US2556956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: AMERICAN PHENOLIC Corp
•
Filing: 1947-04-21
•
Granted: 1951-06-12
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Expires: 1967-04-21
Abstract
No abstract record available.
Inventors
- 👤 Harold Z Benton
- 👤 Raymond R Over
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:54
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/74; H01R33/76; H01R33/7607; H01R33/7614; H01R33/7628
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB363388A
Cited
US1984181A
Cited
US2249619A
Cited
US2294880A
Cited
US2271463A
Cited
GB547968A
Cited
US2346166A
Cited
US2451538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |