Patent US3401217A successfully refreshed from Google Patents.
US3401217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of molding a foam cushion having seam grooves
Assignee: Motor Wheel Corp
•
Filing: 1963-07-02
•
Granted: 1968-09-10
•
Expires: 1983-07-02
Abstract
No abstract record available.
Inventors
- 👤 Jerome E Burwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:15
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/14; A; A47; A47C; A47C7/00; A47C7/02; A47C7/18; B29C33/00; B29C33/0022; B29K; B29K2075/00; B29L; B29L2031/00; B29L2031/751; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/249921; Y10T428/249923
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |