US2929735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-colored asbestos-cement product and process
Assignee: Patent and Licensing Corp
•
Filing: 1956-09-17
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Granted: 1960-03-22
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Expires: 1976-09-17
Abstract
No abstract record available.
Inventors
- 👤 Brenton H Field
- 👤 John W Mayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:43
CPC Classifications
B; B28; B28B; B28B11/00; B28B11/08; B28B1/00; B28B1/52; B28B11/04; B28B11/046; C; C04; C04B; C04B41/00; C04B41/45; C04B41/4505; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457; Y10T428/24802; Y10T428/31504; Y10T428/31652
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
A METHOD FOR PRODUCING AN IMPROVED ASBESTOSCEMENT SHEET HAVING ON ONE SHEETS THEREOF A PLURALITY OF NARROW PARALLEL EMBOSSED STRAIGHT LINES HAVING AT THE BOTTOM ONLY OF THE EMBOSSINGS COLORED PIGMENT THE COLORS OF THE PIGMENT IN A GROUP OF SEVERAL ADJACENT EMBOSSING LINES BEING DIFFERENT FROM THE COLOR OF THE PIGMENT IN THE NEXT ADJACENT GROUP OF SEVERAL EMBOSSING LINES AND DIFFERENT FROM THE BASE SHEET, WHICH METHOD COMPRISES SIMULTANEOUSLY EMBOSSING AND PIGMENTING ALTERNATE GROUPS OF COLORED LINES ACROSS THE WIDTH OF THE SHEET BY MEANS OF AN EMBOSSING ROLL HAVING SIMILARLY DIVIDED GROUPS OF EMBOSSING AND PIGMENTING LINES THEREON.
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |