US3415026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building of gypsum structural wall elements
Assignee: Kaiser Gypsum Co Inc
•
Filing: 1965-10-23
•
Granted: 1968-12-10
•
Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Paul W Tillisch
- 👤 George E Meyer
- 👤 Robert R Chiffoleau
- 👤 Papalia Rocco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:13
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/04; E04C; E04C2/00; E04C2/02; E04C2/04; E04C2/043; E04C3/00; E04C3/02; E04C3/29; E04C3/293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FI29837A
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US1308773A
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US1075845A
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US1372206A
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US2230628A
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US2362187A
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US2349684A
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US2331752A
Cited
US2361733A
Cited
GB581411A
Cited
US2703003A
Cited
FR1287947A
Cited
US3236014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |