US2749563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary brushing device for operating upon press platens or the like
Assignee: Armstrong World Industries Inc
•
Filing: 1951-09-25
•
Granted: 1956-06-12
•
Expires: 1971-09-25
Abstract
No abstract record available.
Inventors
- 👤 Sr Joseph H Resser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:08
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/0082; A; A46; A46B; A46B13/00; A46B17/00; A46B17/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1051695A
Cited
US1356339A
Cited
FR565521A
Cited
US1636002A
Cited
US1768942A
Cited
CH185485A
Cited
US2516636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |