US2317231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-embedding nailhead
Assignee: Seeger Refrigerator Co
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Filing: 1941-09-26
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Granted: 1943-04-20
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Expires: 1961-09-26
Abstract
No abstract record available.
Inventors
- 👤 Swedman Enoch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:43
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/02; F16B15/06; F25; F25D; F25D23/00; F25D23/08; F25D23/082; F25D23/085; F16B2200/00; F16B2200/10; Y; Y10; Y10S; Y10S220/00; Y10S220/03; Y10S411/00; Y10S411/923; Y10T; Y10T403/00; Y10T403/55; Y10T403/559
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) | 1946-04-19 | 1946-10-19 | 1947-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-19 | 1950-10-19 | 1951-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-19 | 1954-10-19 | 1955-04-20 | $7700.00 | Window Closed / Lapsed |