US2725989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shade and venetian blind support
Assignee: Individual
•
Filing: 1953-04-17
•
Granted: 1955-12-06
•
Expires: 1973-04-17
Abstract
No abstract record available.
Inventors
- 👤 Walter H Burkey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:28
CPC Classifications
A; A47; A47H; A47H1/00; A47H1/02; A47H1/022; E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/32; E06B9/323
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303812A
Cited
CH73548A
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US1253368A
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US1299993A
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US1280053A
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US1508158A
Cited
US1591838A
Cited
US2234099A
Cited
US2509521A
Cited
US2474434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |