US2351073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Normally inert manifolding material
Assignee: Individual
•
Filing: 1936-04-15
•
Granted: 1944-06-13
•
Expires: 1956-04-15
Abstract
No abstract record available.
Inventors
- 👤 Katherine M Sherman
- 👤 William C Sherman
- 👤 Wellmore B Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:18
CPC Classifications
B; B44; B44C; B44C1/00; B44C1/16; B44C1/165; B44C1/17; B44C1/1712; B41; B41M; B41M5/00; B41M5/10; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/2481; Y10T428/24893; Y10T428/24901; Y10T428/24934; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098
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) | 1947-06-13 | 1947-12-13 | 1948-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-13 | 1951-12-13 | 1952-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-13 | 1955-12-13 | 1956-06-13 | $7700.00 | Window Closed / Lapsed |