US2440170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handle, knob, and mounting structure
Assignee: Individual
•
Filing: 1944-02-15
•
Granted: 1948-04-20
•
Expires: 1964-02-15
Abstract
No abstract record available.
Inventors
- 👤 Duefrene George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:00
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/08; G05G1/10; G05G1/12; Y; Y10; Y10S; Y10S16/00; Y10S16/30; Y10S74/00; Y10S74/10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45775; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18128; Y10T74/18136; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20762; Y10T74/20834; Y10T74/2084; Y10T74/20864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US630847A
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US726265A
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US859234A
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US1500389A
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US1477523A
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US1832554A
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US2191294A
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US2171361A
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US2222336A
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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) | 1951-04-20 | 1951-10-20 | 1952-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-20 | 1955-10-20 | 1956-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-20 | 1959-10-20 | 1960-04-20 | $7700.00 | Window Closed / Lapsed |