Patent US2598866A successfully refreshed from Google Patents.
US2598866A
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Means for continuously forming thin plastic sheets
Assignee: Flex-O-Glass Inc
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Filing: 1946-10-21
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Granted: 1952-06-03
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Expires: 1966-10-21
Abstract
No abstract record available.
Inventors
- 👤 Warp Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:20
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/32; B29C43/52; B29C33/00; B29C33/02; B29C33/04; B29C33/044; B29C41/00; B29C41/24; B29C41/28; B29C43/22; B29C43/222; B29C53/00; B29C53/22; B29C53/24; B29C37/00; B29C2037/90; B29C37/006; B29K; B29K2105/00; B29K2105/0058; B29K2105/0073; B29K2995/00; B29K2995/0018; B29K2995/0026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |