US2346990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for forming window blind slat stock
Assignee: G LESLIE DUNN
•
Filing: 1942-04-20
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Granted: 1944-04-18
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Expires: 1962-04-20
Abstract
No abstract record available.
Inventors
- 👤 Philip R Oftedal
- 👤 Christensen Olaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:40
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/74; B21D5/00; B21D5/06; B21D5/08; E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/266
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) | 1947-04-18 | 1947-10-18 | 1948-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-04-18 | 1951-10-18 | 1952-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-04-18 | 1955-10-18 | 1956-04-18 | $7700.00 | Window Closed / Lapsed |