US2444343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door construction
Assignee: Individual
•
Filing: 1943-06-03
•
Granted: 1948-06-29
•
Expires: 1963-06-03
Abstract
No abstract record available.
Inventors
- 👤 Roger W Eisinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:35
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/70; E06B3/72; E06B3/74; E06B2003/7059; E06B2003/7061; E06B2003/7071; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/164; Y10T428/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US13574A
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DE526565C
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US1391608A
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US1662151A
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US1655699A
Cited
CH141245A
Cited
FR688647A
Cited
US1911374A
Cited
US1928547A
Cited
FR807749A
Cited
FR851023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-29 | 1951-12-29 | 1952-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-29 | 1955-12-29 | 1956-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-29 | 1959-12-29 | 1960-06-29 | $7700.00 | Window Closed / Lapsed |