US2249641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window
Assignee: Individual
•
Filing: 1939-03-13
•
Granted: 1941-07-15
•
Expires: 1959-03-13
Abstract
No abstract record available.
Inventors
- 👤 Clarence G Stucki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:28
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/10; E06B9/00; E06B9/24; E06B9/26; E06B9/264
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) | 1944-07-14 | 1945-01-13 | 1945-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-14 | 1949-01-13 | 1949-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-14 | 1953-01-13 | 1953-07-15 | $7700.00 | Window Closed / Lapsed |