US1764976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding door
Assignee: Richards Wilcox Manufacturing Co
•
Filing: 1924-06-23
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Granted: 1930-06-17
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Expires: 1944-06-23
Abstract
No abstract record available.
Inventors
- 👤 Ellis J G Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:19
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/26; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/481; E06B3/92; E06B3/922; E06B3/924; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/71; E05Y2201/722; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10S; Y10S16/00; Y10S16/31
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) | 1933-06-16 | 1933-12-16 | 1934-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-16 | 1937-12-16 | 1938-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-16 | 1941-12-16 | 1942-06-17 | $7700.00 | Window Closed / Lapsed |