US2804921A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jalousies
Assignee: Individual
•
Filing: 1953-05-01
•
Granted: 1957-09-03
•
Expires: 1973-05-01
Abstract
No abstract record available.
Inventors
- 👤 Duncan G Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:00
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1069976A
Cited
US1018215A
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US1118365A
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US1380980A
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DE674059C
Cited
US2179541A
Cited
US2357435A
Cited
US2496921A
Cited
US2695430A
Cited
US2616498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |