Patent US2224992A successfully refreshed from Google Patents.
US2224992A
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Resin-impregnated sheet material and process for producing the same
Assignee: Barrett Co Inc
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Filing: 1935-06-26
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Granted: 1940-12-17
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Expires: 1955-06-26
Abstract
No abstract record available.
Inventors
- 👤 Leslie T Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:31
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/41; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/655; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/70; D21H23/72; D21H17/00; D21H17/02; D21H17/03; D21H17/05; D21H17/06; D21H17/20; D21H17/33; D21H17/46; D21H17/47; D21H17/48; D21H21/00; D21H21/14; D21H21/38; D21H23/32; D21H23/42; D21H23/50; D21H23/52; D21H23/56; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31844; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/30; Y10T442/3472; Y10T442/50
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) | 1943-12-17 | 1944-06-17 | 1944-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-17 | 1948-06-17 | 1948-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-17 | 1952-06-17 | 1952-12-17 | $7700.00 | Window Closed / Lapsed |