US3451884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waterproof pile coated sheet for laminating
Assignee: Mitsubishi Chemical Corp
•
Filing: 1965-07-30
•
Granted: 1969-06-24
•
Expires: 1985-07-30
Abstract
No abstract record available.
Inventors
- 👤 Takamitsu Anno
- 👤 Kohei Masuda
- 👤 Kikuo Hachiya
- 👤 Takeo Hattori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:14
CPC Classifications
B; B32; B32B; B32B27/00; B05; B05D; B05D1/00; B05D1/16; B29; B29C; B29C37/00; B29C37/0078; B29C37/0082; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/45; B29C66/70; B29C66/72; B29C66/723; B29C66/7234; B29C66/72343; B29C70/00; B29C70/58; B29C70/62; B29C70/64; B05D2201/00; B29C66/71; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23914; Y10T428/23929; Y10T428/23979; Y10T428/23986; Y10T428/23993; Y10T428/249921; Y10T428/249953; Y10T428/249955; Y10T428/249956; Y10T428/249967; Y10T428/249968
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1644652A
Cited
US2185195A
Cited
US2494848A
Cited
US2695257A
Cited
US2909443A
Cited
US2991208A
Cited
US3343370A
Cited
US3275487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |