US2607446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Replaceable insert
Assignee: Individual
•
Filing: 1952-01-08
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Granted: 1952-08-19
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Expires: 1972-01-08
Abstract
No abstract record available.
Inventors
- 👤 Rosan Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:11
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/41; E04B1/4114; E04B1/4121; F; F16; F16B; F16B37/00; F16B37/12; F16B37/122; F16B37/125; F16B39/00; F16B39/02; F16B39/10; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49925; Y10T29/49934; Y10T403/00; Y10T403/40; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |