US2923109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for cleaning abrasively treated plastic webs
Assignee: Tru-Scale Inc
•
Filing: 1955-12-08
•
Granted: 1960-02-02
•
Expires: 1975-12-08
Abstract
No abstract record available.
Inventors
- 👤 Perry H Pelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:16
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/08; B24C3/10; B24C3/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1669394A
Cited
US1623528A
Cited
US1678297A
Cited
FR624042A
Cited
US1811689A
Cited
US1930575A
Cited
US2118832A
Cited
US2132311A
Cited
US2448316A
Cited
US2621445A
Cited
US2624982A
Cited
US2683343A
Cited
US2745231A
Cited
US2737921A
Cited
US2817195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |