US2216609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-acting door and fastening
Assignee: Individual
•
Filing: 1939-01-30
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Granted: 1940-10-01
•
Expires: 1959-01-30
Abstract
No abstract record available.
Inventors
- 👤 Bingham Charles Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:51
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/28; E06B7/36; E06B7/362; E05; E05B; E05B65/00; E05B65/06; E06B2007/365; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/0836; Y10T292/0876; Y10T292/0883
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) | 1943-10-01 | 1944-04-01 | 1944-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-01 | 1948-04-01 | 1948-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-01 | 1952-04-01 | 1952-10-01 | $7700.00 | Window Closed / Lapsed |