Patent US2947346A successfully refreshed from Google Patents.
US2947346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making foambacked materials in broad widths and product thereof
Assignee: Individual
•
Filing: 1956-10-25
•
Granted: 1960-08-02
•
Expires: 1976-10-25
Abstract
No abstract record available.
Inventors
- 👤 Robert D Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:44
CPC Classifications
A; A47; A47G; A47G27/00; A47G27/04; A47G27/0487; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1715; Y10T156/1717
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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |