Patent US2193635A successfully refreshed from Google Patents.
US2193635A
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Method of making composite structures
Assignee: PLASKON CO Inc
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Filing: 1938-01-15
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Granted: 1940-03-12
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Expires: 1958-01-15
Abstract
No abstract record available.
Inventors
- 👤 Albert E Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:31
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/46; C04B41/48; C04B41/4811; C04B41/4819; C04B41/50; C04B41/5076; C04B41/5085; C04B41/60; C04B41/61; C04B41/62; C04B41/63; C04B41/65; Y; Y10; Y10S; Y10S52/00; Y10S52/07
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) | 1943-03-12 | 1943-09-11 | 1944-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-03-12 | 1947-09-11 | 1948-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-03-12 | 1951-09-11 | 1952-03-12 | $7700.00 | Window Closed / Lapsed |