US2422963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for forming pleats
Assignee: Individual
•
Filing: 1943-07-21
•
Granted: 1947-06-24
•
Expires: 1963-07-21
Abstract
No abstract record available.
Inventors
- 👤 Hess Alexander Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:23
CPC Classifications
A; A47; A47H; A47H13/00; A47H13/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US812384A
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US1990313A
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US2063649A
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US2012097A
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US2302630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-23 | 1950-12-23 | 1951-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-23 | 1954-12-23 | 1955-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-23 | 1958-12-23 | 1959-06-24 | $7700.00 | Window Closed / Lapsed |