Patent US2614296A successfully refreshed from Google Patents.
US2614296A
Expired / Lapsed
US
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Window construction
Assignee: Individual
•
Filing: 1946-12-07
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Granted: 1952-10-21
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Expires: 1966-12-07
Abstract
No abstract record available.
Inventors
- 👤 Pelen Celine Van Der
- 👤 Freudenberg Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:32
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5054; E06B3/5063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB189410189A
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US895402A
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US981022A
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US970980A
Cited
FR462389A
Cited
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Cited
US1531207A
Cited
FR664329A
Cited
FR759730A
Cited
US2057815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |