US1451843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of resinous condensation products
Assignee: Individual
•
Filing: 1921-02-12
•
Granted: 1923-04-17
•
Expires: 1941-02-12
Abstract
No abstract record available.
Inventors
- 👤 Plauson Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:30
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; C08G16/00; C08G16/02; C08G16/0212; C08G8/04; C08G8/08; C08G8/10
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) | 1926-04-16 | 1926-10-16 | 1927-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-04-16 | 1930-10-16 | 1931-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-04-16 | 1934-10-16 | 1935-04-17 | $7700.00 | Window Closed / Lapsed |