US3402095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rollable multi-ply roofing material
Assignee: Svenska Icopalfabriken AB
•
Filing: 1964-08-10
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Granted: 1968-09-17
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Expires: 1984-08-10
Abstract
No abstract record available.
Inventors
- 👤 Varfeldt Knud Alfred
- 👤 Thelander Karl Erik Pontus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:21
CPC Classifications
E; E04; E04D; E04D5/00; E04D5/02; E04D5/10; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24364; Y10T428/24942
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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |