US3003902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible contained insulation blanket
Assignee: Johns Manville Fiber Glass Inc
•
Filing: 1956-05-11
•
Granted: 1961-10-10
•
Expires: 1976-05-11
Abstract
No abstract record available.
Inventors
- 👤 Leon E Mcduff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:18
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/292; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893; Y10T29/49908; Y10T29/49915; Y10T428/00; Y10T428/23; Y10T428/237; Y10T428/238; Y10T428/24; Y10T428/24479; Y10T428/2457
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE518967A
Cited
US2734007A
Cited
US1910703A
Cited
US2057071A
Cited
US2391436A
Cited
US2585082A
Cited
US2576698A
Cited
US2671492A
Cited
US2745173A
Cited
US2700633A
Cited
US2747269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |