US2928154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric covered articles
Assignee: C E M Co
•
Filing: 1955-04-01
•
Granted: 1960-03-15
•
Expires: 1975-04-01
Abstract
No abstract record available.
Inventors
- 👤 Koehl Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:14
CPC Classifications
A; A44; A44B; A44B1/00; A44B1/08; A44B1/12; A44B11/00; A44B11/001; A44B11/003; Y; Y10; Y10T; Y10T24/00; Y10T24/40; Y10T24/4051; Y10T24/4095; Y10T29/00; Y10T29/53; Y10T29/53657; Y10T428/00; Y10T428/21; Y10T428/219
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |