US1940106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for and method of making grooved fibrous board
Assignee: GUARDIAN TRUST Co
•
Filing: 1930-08-16
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Granted: 1933-12-19
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Expires: 1950-08-16
Abstract
No abstract record available.
Inventors
- 👤 George C Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:35
CPC Classifications
B; B27; B27G; B27G5/00; B26; B26D; B26D3/00; B26D3/06; B26D3/065; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/49156; Y10T83/00; Y10T83/02; Y10T83/0304; Y10T83/0311; Y10T83/0319; Y10T83/647; Y10T83/6584; Y10T83/6601
Claims Analysis
Total Claims: 0
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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) | 1936-12-18 | 1937-06-19 | 1937-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-12-18 | 1941-06-19 | 1941-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-12-18 | 1945-06-19 | 1945-12-19 | $7700.00 | Window Closed / Lapsed |