US2414533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated board
Assignee: Philip Carey Manufacturing Co
•
Filing: 1942-05-05
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Granted: 1947-01-21
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Expires: 1962-05-05
Abstract
No abstract record available.
Inventors
- 👤 George B Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:47
CPC Classifications
D; D21; D21J; D21J1/00; D21J1/16; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31815; Y10T442/00; Y10T442/50; Y10T442/51; Y10T442/53; Y10T442/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-01-20 | 1950-07-22 | 1951-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-01-20 | 1954-07-22 | 1955-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-01-20 | 1958-07-22 | 1959-01-21 | $7700.00 | Window Closed / Lapsed |