US3044287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door control mechanism
Assignee: EASTERN MALLEABLE IRON Co
•
Filing: 1960-03-08
•
Granted: 1962-07-17
•
Expires: 1980-03-08
Abstract
No abstract record available.
Inventors
- 👤 Albert L Pelcin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:25
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0835; Y; Y10; Y10S; Y10S292/00; Y10S292/37; Y10T; Y10T292/00; Y10T292/08; Y10T292/0908; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/0933; Y10T292/0934; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5159; Y10T70/5173; Y10T70/519; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/5487; Y10T70/5611; Y10T70/5757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US289666A
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US781271A
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US1199849A
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US1369820A
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US1487603A
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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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |