US3489582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binding agent for plaster and/or mortar,and mortar mixtures produced therefrom
Assignee: Gullhogens Bruk AB
•
Filing: 1966-03-25
•
Granted: 1970-01-13
•
Expires: 1986-03-25
Abstract
No abstract record available.
Inventors
- 👤 Karl-Erik Lindgren
- 👤 Kawe K G Andersson
- 👤 Harry G R Johansson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:12
CPC Classifications
C; C04; C04B; C04B20/00; C04B20/0076; C04B20/008; C04B28/00; C04B28/02; C04B28/04; C04B2111/00; C04B2111/00474; C04B2111/00482
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2542364A
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US2510776A
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US2680113A
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US2892727A
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US3030258A
Cited
US2990382A
Cited
US3243307A
Cited
US3090693A
Cited
US3215549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |