US3432373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a laminate and winding same into a roll
Assignee: Johns Manville Corp
•
Filing: 1964-11-27
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Granted: 1969-03-11
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Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 Edward G Mcmahon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:30
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C71/00; B29C71/02; B32B37/00; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2649134A
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US2700630A
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US2705691A
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US2771388A
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US2743759A
Cited
US2945773A
Cited
US3032815A
Cited
US3355347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |