Patent US1802379A successfully refreshed from Google Patents.
US1802379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impressible sheet material
Assignee: GEORGE R PROCTOR
•
Filing: 1927-04-25
•
Granted: 1931-04-28
•
Expires: 1947-04-25
Abstract
No abstract record available.
Inventors
- 👤 Conan D Higginson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:59
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/04; B41N1/06; Y; Y10; Y10S; Y10S428/00; Y10S428/908; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/266; Y10T428/31504; Y10T428/31678; Y10T428/31714
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) | 1934-04-27 | 1934-10-27 | 1935-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-04-27 | 1938-10-27 | 1939-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-04-27 | 1942-10-27 | 1943-04-28 | $7700.00 | Window Closed / Lapsed |