US3385743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adhering surface finish laminate
Assignee: RICHARD W BACKBERG
•
Filing: 1965-04-05
•
Granted: 1968-05-28
•
Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Richard W Backberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:14
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/10; B; B27; B27D; B27D1/00; Y; Y10; Y10T; Y10T428/00; Y10T428/14; Y10T428/1452; Y10T428/24; Y10T428/24752; Y10T428/24769; Y10T428/31504; Y10T428/31855; Y10T428/3188
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1752402A
Cited
US2018805A
Cited
US2829404A
Cited
US3189514A
Cited
US3009601A
Cited
US3135647A
Cited
US3166455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |