Patent US2703443A successfully refreshed from Google Patents.
US2703443A
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Composite door construction and method of making the same
Assignee: E RAYMOND SNEDAKER
•
Filing: 1950-02-28
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Granted: 1955-03-08
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Expires: 1970-02-28
Abstract
No abstract record available.
Inventors
- 👤 Francis E Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:26
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/70; E06B3/82; E06B3/822; E06B3/825; E06B3/7015; E06B2003/7025; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1064; Y10T428/00; Y10T428/23; Y10T428/239
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1861849A
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US1911374A
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US1863800A
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US2033884A
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US2178729A
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US2214675A
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US2399124A
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GB561879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |