Patent US3170197A successfully refreshed from Google Patents.
US3170197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing a fibrous glass preform
Assignee: Individual
•
Filing: 1961-01-12
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Granted: 1965-02-23
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Expires: 1981-01-12
Abstract
No abstract record available.
Inventors
- 👤 Ivan G Brenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:06
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/305; B29B; B29B11/00; B29B11/14; B29B11/16; D; D04; D04H; D04H1/00; D04H1/40; D04H1/42; D04H1/4209; D04H1/4218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
APPARATUS FOR PRODUCING A FIBROUS GLASS PREFORM COMPRISING: (A) A FLEXIBLE, FREELY MOVABLE, CONDUIT; (B) MEANS FOR CUTTING FIBROUS GLASS STRANDS INTO SHORT LENGTHS AND SUPPLYING SAID SHORT LENGTHS TO SAID CONDUIT, (C) MEANS FOR SUPPLYING GASES UNDER PRESSURE TO SAID CONDUIT TO CONVEY SAID SHORT LENGTHS OF FIBROUS GLASS STRANDS THERETHROUGH, (D) A DISTRIBUTOR RING HAVING INDIVIDUALLY ROTATABLE SECTIONS ENCIRCLING THE EXIT END OF SAID CONDUIT AND BEING SPACED APART THEREFROM, (E) MEANS FOR SUPPLYING GASES UNDER PRESSURE TO SAID DISTRIBUTOR RING, (F) ORIFICES LOCATED IN SAID ROTATABLE SECTIONS OF SAID DISTRIBUTOR RING THROUGH WHICH THE GASES SUPPLIED TO SAID DISTRIBUTOR RING ARE PROJECTED TO IMPINGE UPON THE SHORT LENGTHS OF FIBROUS GLASS STRANDS PASSING FROM SAID CONDUIT AND DISPERSE THEM, (G) MEANS FOR SUPPLYING A SUITABLE BINDING MATERIAL TO SAID DISPERSED SHORT LENGTHS OF STRANDS, AND (H) A FORAMINOUS COLLECTING SURFACE FOR COLLECTING SAID DISPERSED SHORT LENGTHS OF FIBROUS GLASS STRANDS.
Claim 2
Dependent Claim
153 words
APPARATUS FOR PRODUCING A FIBROUS GLASS PREFORM COMPRISING: (A) A FLEXIBLE, FREELY MOVABLE, CONDUIT; (B) MEANS FOR CUTTING FIBROUS GLASS STRANDS INTO SHORT LENGTHS AND SUPPLYING SAID SHORT LENGTHS TO SAID CONDUIT, (C) MEANS FOR SUPPLYING GASES UNDER PRESSURE TO SAID CONDUIT TO CONVEY SAID SHORT LENGTHS OF FIBROUS GLASS STRANDS THERETHROUGH, (D) A DISTRIBUTOR RING HAVING INDIVIDUALLY ROTATABLE SECTIONS ENCIRCLING THE EXIT END OF SAID CONDUIT AND BEING SPACED APART THEREFROM, (E) MEANS FOR SUPPLYING GASES UNDER PRESSURE TO SAID DISTRIBUTOR RING, (F) ORIFICES LOCATED IN SAID ROTATABLE SECTIONS OF SAID DISTRIBUTOR RING THROUGH WHICH THE GASES SUPPLIED TO SAID DISTRIBUTOR RING ARE PROJECTED TO IMPINGE UPON THE SHORT LENGTHS OF FIBROUS GLASS STRANDS PASSING FROM SAID CONDUIT AND DISPERSE THEM, (G) MEANS FOR SUPPLYING A SUITABLE BINDING MATERIAL TO SAID DISPERSED SHORT LENGTHS OF STRANDS, AND (H) A FORAMINOUS COLLECTING SURFACE FOR COLLECTING SAID DISPERSED SHORT LENGTHS OF FIBROUS GLASS STRANDS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |