US2605328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible web coated with an ethyl cellulose composition
Assignee: Individual
•
Filing: 1949-04-14
•
Granted: 1952-07-29
•
Expires: 1969-04-14
Abstract
No abstract record available.
Inventors
- 👤 Milton H Pintell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:30
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J7/30; C09J7/35; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2852; Y10T428/2874
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1711956A
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US1249390A
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US1408816A
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US1826696A
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US1896215A
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US1958711A
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US2297709A
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US2337939A
Cited
US2388613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |