US2064470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overhead door
Assignee: Richards Wilcox Manufacturing Co
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Filing: 1931-01-17
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Granted: 1936-12-15
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Expires: 1951-01-17
Abstract
No abstract record available.
Inventors
- 👤 John A Heckman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:24
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/16; E05D15/24; E05D15/244; E05D15/246; E05D13/00; E05D13/10; E05D13/12; E05D13/1207; E05D13/1215; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/668; E05F15/681; E05F15/686; E05D13/003; E05D13/006; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/43; E05Y2201/434; E05Y2201/47; E05Y2201/488; E05Y2201/60; E05Y2201/622; E05Y2201/644; E05Y2201/654; E05Y2201/658; E05Y2201/668; E05Y2201/67; E05Y2600/00; E05Y2600/40; E05Y2600/46; E05Y2800/00; E05Y2800/20; E05Y2800/21; E05Y2900/00; E05Y2900/10; E05Y2900/106; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0992; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18144
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) | 1939-12-15 | 1940-06-15 | 1940-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-12-15 | 1944-06-15 | 1944-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-12-15 | 1948-06-15 | 1948-12-15 | $7700.00 | Window Closed / Lapsed |