Patent US2455135A successfully refreshed from Google Patents.
US2455135A
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Venetian blind head-bar organization
Assignee: LORENTZEN HARDWARE Manufacturing CORP
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Filing: 1945-06-26
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Granted: 1948-11-30
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Expires: 1965-06-26
Abstract
No abstract record available.
Inventors
- 👤 Nelson Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:56
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/303; E06B9/305; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12264; Y10T428/12354; Y10T428/12361; Y10T428/12368; Y10T428/1241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-30 | 1952-05-31 | 1952-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-30 | 1956-05-31 | 1956-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-30 | 1960-05-31 | 1960-11-30 | $7700.00 | Window Closed / Lapsed |