US2221141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Kindt-Collins Co
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Filing: 1940-04-01
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Granted: 1940-11-12
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Expires: 1960-04-01
Abstract
No abstract record available.
Inventors
- 👤 Ernest T Kindt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:39
CPC Classifications
B; B22; B22C; B22C7/00; B22C7/005; B22C7/06; F; F16; F16B; F16B12/00; F16B12/10; F16B12/12; F16B12/24; F16B13/00; F16B13/12; A; A47; A47B; A47B2230/00; A47B2230/0029; A47B2230/0037; Y; Y10; Y10T; Y10T403/00; Y10T403/55; Y10T403/556; Y10T403/70
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) | 1943-11-12 | 1944-05-13 | 1944-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-12 | 1948-05-13 | 1948-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-12 | 1952-05-13 | 1952-11-12 | $7700.00 | Window Closed / Lapsed |