US2615516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window shade cutter
Assignee: Clopay Corp
•
Filing: 1949-04-29
•
Granted: 1952-10-28
•
Expires: 1969-04-29
Abstract
No abstract record available.
Inventors
- 👤 Robert W Hyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:49
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/16; B26D3/169
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US124654A
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US133092A
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US155232A
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US1306588A
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US1001126A
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US1210457A
Cited
US1698803A
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US1765317A
Cited
US2291666A
Cited
US2279046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |