US2673845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trowelable synthetic rubber adhesives
Assignee: Armstrong World Industries Inc
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Filing: 1951-10-10
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Granted: 1954-03-30
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Expires: 1971-10-10
Abstract
No abstract record available.
Inventors
- 👤 Hilbert L Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:46
CPC Classifications
C; C09; C09J; C09J109/00; C08; C08L; C08L2666/00; C08L2666/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A TROWELLABLE ADHESIVE COMPOSITION COMPRISING A TACKIFER RESIN AND A SYNTHETIC RUBBER CONTAINING .01% TO 5% BY WEIGHT OF A COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
25 words
A TROWELLABLE ADHESIVE COMPOSITION COMPRISING A TACKIFER RESIN AND A SYNTHETIC RUBBER CONTAINING .01% TO 5% BY WEIGHT OF A COMPOUND HAVING THE GENERAL FORMULA:
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) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |