Patent US2796722A successfully refreshed from Google Patents.
Patent US3068130A successfully refreshed from Google Patents.
US3068130A
Expired / Lapsed
US
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Urea coated stiffening sheet
Assignee: Beckwith Arden Inc
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Filing: 1959-09-17
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Granted: 1962-12-11
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Expires: 1979-09-17
Abstract
No abstract record available.
Inventors
- 👤 Gaquin John Harold
- 👤 Ronald W Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:23
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/12; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/22; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3504; Y10T442/3707; Y10T442/378; Y10T442/3813
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |