Patent US1599031A successfully refreshed from Google Patents.
Patent US5201794A successfully refreshed from Google Patents.
Patent US1756950A successfully refreshed from Google Patents.
US1756950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated cork sheet and the method or art of making same
Assignee: Crown Cork and Seal Co Inc
•
Filing: 1924-04-08
•
Granted: 1930-05-06
•
Expires: 1944-04-08
Abstract
No abstract record available.
Inventors
- 👤 Charles E Mcmanus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:57
CPC Classifications
B; B27; B27J; B27J5/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3167
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) | 1933-05-05 | 1933-11-04 | 1934-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-05-05 | 1937-11-04 | 1938-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-05-05 | 1941-11-04 | 1942-05-06 | $7700.00 | Window Closed / Lapsed |