Patent US2075178A successfully refreshed from Google Patents.
US2075178A
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Dispensing device for sheet rubber deposited from an aqueous dispersion of rubber and the process of forming and using same
Assignee: Copeman Laboratories Co
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Filing: 1934-12-03
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Granted: 1937-03-30
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Expires: 1954-12-03
Abstract
No abstract record available.
Inventors
- 👤 Lloyd G Copeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:46
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J2321/00; C08J2321/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/31841
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) | 1940-03-29 | 1940-09-28 | 1941-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-29 | 1944-09-28 | 1945-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-29 | 1948-09-28 | 1949-03-30 | $7700.00 | Window Closed / Lapsed |