US2697577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spotlight bracket
Assignee: MIDLAND IND
•
Filing: 1950-09-21
•
Granted: 1954-12-21
•
Expires: 1970-09-21
Abstract
No abstract record available.
Inventors
- 👤 Charley W Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:44
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/24; B60Q1/245; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1321257A
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GB189715019A
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US759926A
Cited
US943573A
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US1246119A
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US1735149A
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DE511618C
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GB465699A
Cited
US2175918A
Cited
US2526070A
Cited
US2596009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |