US2546230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass product and method of making the same
Assignee: Johns Manville Corp
•
Filing: 1947-10-10
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Granted: 1951-03-27
•
Expires: 1967-10-10
Abstract
No abstract record available.
Inventors
- 👤 Modigliani Piero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:15
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/22; B29C53/24; B29C53/26; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; B29C70/202; C; C04; C04B; C04B26/00; C04B26/02; C04B26/10; C04B26/12; C04B26/127; D; D04; D04H; D04H3/00; D04H3/02; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B2001/7683; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/1016; Y10T156/1018; Y10T156/1052; Y10T156/1062; Y10T156/1075; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24083; Y10T428/24091; Y10T428/24099; Y10T428/24107; Y10T428/24479; Y10T428/24521; Y10T428/24537; Y10T428/2457; Y10T428/24579; Y10T428/24587
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
THE METHOD COMPRISING, FORMING A MAT OF A PLURALITY OF LAYERS OF FILAMENTS WITH THE FILAMENTS EXTENDING GENERALLY TRANSVERSELY OF THE MAT AND WITH THE FILAMENTS OF ADJACENT LAYERS CROSSING AT ACUTE ANGLES, APPLYING A MINOR PROPORTION OF AN UNSET BINDER TO THE MAT, DRAWING THE MAT IN A DIRECTION APPROXIMATELY AT RIGHT ANGLES TO THE GENERAL LAY OF THE FILAMENTS UNTIL THE LAYERS ASSUME A CORRUGATED OR UNDULATORY FORM, APPLYING A FINELY DIVIDED FILLER TO THE MAT DURING THE DRAWING OPERATION, AND SETTING THE BINDER.
Claim 2
Independent Claim
86 words
THE METHOD COMPRISING, FORMING A MAT OF A PLURALITY OF LAYERS OF FILAMENTS WITH THE FILAMENTS EXTENDING GENERALLY TRANSVERSELY OF THE MAT AND WITH THE FILAMENTS OF ADJACENT LAYERS CROSSING AT ACUTE ANGLES, APPLYING A MINOR PROPORTION OF AN UNSET BINDER TO THE MAT, DRAWING THE MAT IN A DIRECTION APPROXIMATELY AT RIGHT ANGLES TO THE GENERAL LAY OF THE FILAMENTS UNTIL THE LAYERS ASSUME A CORRUGATED OR UNDULATORY FORM, APPLYING A FINELY DIVIDED FILLER TO THE MAT DURING THE DRAWING OPERATION, AND SETTING THE BINDER.
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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) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |