US3407083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing insulation board adhesive
Assignee: Grefco Inc
•
Filing: 1965-05-21
•
Granted: 1968-10-22
•
Expires: 1985-05-21
Abstract
No abstract record available.
Inventors
- 👤 Harlan E Tarbell
- 👤 Donald W Mogg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:58
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB251323A
Cited
US1881729A
Cited
US1969659A
Cited
US2044570A
Cited
US2366943A
Cited
US2518281A
Cited
US2932579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |