US2946698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying wax to strands of glass fibers
Assignee: PPG Industries Inc
•
Filing: 1958-10-20
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Granted: 1960-07-26
•
Expires: 1978-10-20
Abstract
No abstract record available.
Inventors
- 👤 Wayne A Brunnick
- 👤 Clarence H Helbing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:18
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/12; C03C25/16; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A METHOD OF APPLYING WAX TO LAYERS OF STRANDS OF GLASS FIBERS SUPPORTED ON A HOLLOW, TUBULAR SUPPORT HAVING OPENINGS THEREIN WHCH COMPRISES CONTINUOUSLY PASSING MOLTEN WAX THROUGH THE LAYERS OF STRANDS FROM THE OUTSIDE LAYER TO THE SUPPORT AND THROUGH THE OPENINGS IN THE SUPPORT UNTIL THE STRANDS ARE SATURATED WITH A MAXIMUM
Claim 2
Independent Claim
54 words
A METHOD OF APPLYING WAX TO LAYERS OF STRANDS OF GLASS FIBERS SUPPORTED ON A HOLLOW, TUBULAR SUPPORT HAVING OPENINGS THEREIN WHCH COMPRISES CONTINUOUSLY PASSING MOLTEN WAX THROUGH THE LAYERS OF STRANDS FROM THE OUTSIDE LAYER TO THE SUPPORT AND THROUGH THE OPENINGS IN THE SUPPORT UNTIL THE STRANDS ARE SATURATED WITH A MAXIMUM
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |