US2770382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container
Assignee: Armstrong World Industries Inc
•
Filing: 1952-08-13
•
Granted: 1956-11-13
•
Expires: 1972-08-13
Abstract
No abstract record available.
Inventors
- 👤 Vaughn L Ritter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:41
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1665908A
Cited
US1866770A
Cited
US1900881A
Cited
US2096937A
Cited
US2362421A
Cited
US2352982A
Cited
US2585624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |