Patent WO1997014289A2 successfully refreshed from Google Patents.
US3740260A
Expired / Lapsed
US
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Dispensing gun for fiber rovings and cementitious materials
Assignee: Archilithic Co
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Filing: 1971-04-01
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Granted: 1973-06-19
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Expires: 1991-04-01
Abstract
Abstract GLASS FIBER STRANDS ARE DEPOSITED ON A RECEIVING SURFACE COATED WITH A CEMENTITIOUS MATERIAL BY FORCEFULLY PROJECTING THE FLUID COATING MATERIAL FROM A PROJECTION SOURCE WHILE ENTRAINING THE CONTINUOUS FIBER STRAND IN THE COAT- ING MATERIAL FROM WITHIN THE MATERIAL AND PROPELLING THE STRAND AND THE COATING MATERIAL ONTO THE RECEIVING SURFACE.
Inventors
- 👤 J Winn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:19
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/74; B29B7/7438; B29B7/7452; B28; B28C; B28C5/00; B28C5/40; B28C5/408; E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/12
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) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |