US2651082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window structure
Assignee: Individual
•
Filing: 1950-02-02
•
Granted: 1953-09-08
•
Expires: 1970-02-02
Abstract
No abstract record available.
Inventors
- 👤 John V Rylander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:14
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5054; E06B3/5063; E06B3/34; E06B3/42; E06B3/44; E06B2003/4438; E06B2003/4446; E06B2003/4492; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/088
Claims Analysis
Total Claims: 0
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US2402112A
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US2494161A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |