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US2335208A
Expired / Lapsed
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Reinforced asbestos-cement sheet
Assignee: Turners Asbestos Cement Co Ltd
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Filing: 1941-04-22
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Granted: 1943-11-23
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Expires: 1961-04-22
Abstract
No abstract record available.
Inventors
- 👤 Harrap Eric Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:51
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/35; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/926; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/24711; Y10T428/24752; Y10T428/2476; Y10T428/24777; Y10T428/24793
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) | 1946-11-22 | 1947-05-24 | 1947-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-22 | 1951-05-24 | 1951-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-22 | 1955-05-24 | 1955-11-23 | $7700.00 | Window Closed / Lapsed |