US3649401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making continuous fiber glass filament open weave frames and structures
Assignee: DALE B GUNNERSON
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Filing: 1968-10-28
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Granted: 1972-03-14
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Expires: 1988-10-28
Abstract
Abstract A lattice-like frame is formed by extending a resin saturated strand of filaments angularly between pins secured to opposing end surfaces of a frame-work support. The pins and frame-work support are removed after the resin has set.
Inventors
- 👤 Dale B Gunnerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:35
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/583; B29C53/585; A; A47; A47B; A47B13/00; A47B13/02; A47B13/023; B29C53/80; B29C53/8008; B29C53/805; B29C53/8058; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; B29C70/205; B29L; B29L2031/00; B29L2031/772; B29L2031/7724; B29L2031/7726
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) | 1975-03-14 | 1975-09-13 | 1976-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-14 | 1979-09-13 | 1980-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-14 | 1983-09-13 | 1984-03-14 | $7700.00 | Window Closed / Lapsed |