US3427216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building material laminate
Assignee: Johns Manville Corp
•
Filing: 1965-02-24
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Granted: 1969-02-11
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Expires: 1985-02-24
Abstract
No abstract record available.
Inventors
- 👤 Robert Gerard Quinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:46
CPC Classifications
B; B32; B32B; B32B21/00; B32B21/04; B32B21/06; B32B27/00; B32B7/00; B32B7/04; B32B7/12; D; D21; D21J; D21J1/00; D21J1/16; E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/24; B32B2305/00; B32B2305/02; B32B2305/026; B32B2307/00; B32B2307/30; B32B2307/306; B32B2307/3065; B32B2307/70; B32B2307/712; B32B2307/718; B32B2307/724; B32B2419/00; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/266; Y10T428/27; Y10T428/273; Y10T428/31504; Y10T428/31652; Y10T428/31659; Y10T428/31971; Y10T428/31989; Y10T428/31993
Claims Analysis
Total Claims: 0
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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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |