US3022258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous wood finishing composition of urea-formaldehyde condensate, sugar and solvent
Assignee: Midland Chemical Corp
•
Filing: 1958-05-14
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Granted: 1962-02-20
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Expires: 1978-05-14
Abstract
No abstract record available.
Inventors
- 👤 John M Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:29
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/34; C09D161/00; C09D161/20; C09D161/22; C09D161/24; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31957; Y10T428/31971; Y10T428/31975
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
AN AQUEOUS FILLER-SEALER COMPOSITION FOR FILLING AND SEALING WOOD SURFACES WHICH CONSISTS ESSENTIALLY OF
Claim 2
Dependent Claim
14 words
AN AQUEOUS FILLER-SEALER COMPOSITION FOR FILLING AND SEALING WOOD SURFACES WHICH CONSISTS ESSENTIALLY OF
References Cited (Backward Citations)
US1799954A
Cited
US2492510A
Cited
US2487766A
Cited
US2630395A
Cited
US2648641A
Cited
US2674584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |