US3677997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bouncing putties
Assignee: Wacker Chemie AG
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Filing: 1971-02-05
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Granted: 1972-07-18
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Expires: 1991-02-05
Abstract
Abstract BOUNCING PUTTY BASED ON ORGANOSILOXANE-BORON COMPOUND MIXTURES AND REACTION PRODUCTS ARE IMPROVED BY THE ADDITION OF POLYGLYCOLS. THE IMPROVED BOUNCING PUTTY DOES NOT BECOME TACKY UPON EXTENDED KNEADING OR USE.
Inventors
- 👤 Wolfgang Kaiser
- 👤 Siegfried Nitzsche
- 👤 Ernst Wohlfarth
- 👤 Alois Strasser
- 👤 Paul Hittmair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:54
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |