US2207772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window construction
Assignee: OM Edwards Co Inc
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Filing: 1938-10-12
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Granted: 1940-07-16
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Expires: 1958-10-12
Abstract
No abstract record available.
Inventors
- 👤 Roy T Axe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:59
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E06B3/4423; E05; E05D; E05D13/00; E05D13/04; E05D13/08; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; E06B2003/4438; E06B2003/4453; E06B3/4407
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) | 1943-07-16 | 1944-01-15 | 1944-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-16 | 1948-01-15 | 1948-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-16 | 1952-01-15 | 1952-07-16 | $7700.00 | Window Closed / Lapsed |