Patent US1263849A successfully refreshed from Google Patents.
US1263849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cork article and method of making same.
Assignee: Armstrong World Industries Inc
•
Filing: 1917-09-19
•
Granted: 1918-04-23
•
Expires: 1937-09-19
Abstract
No abstract record available.
Inventors
- 👤 Herman F Busch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:45
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3232; F16J15/3236; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1921-04-22 | 1921-10-22 | 1922-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-04-22 | 1925-10-22 | 1926-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-04-22 | 1929-10-22 | 1930-04-23 | $7700.00 | Window Closed / Lapsed |