US2591694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reel support structure for multiple marker devices
Assignee: Cutting Room Appliances Corp
•
Filing: 1946-08-16
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Granted: 1952-04-08
•
Expires: 1966-08-16
Abstract
No abstract record available.
Inventors
- 👤 Gilbert Herman Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:07
CPC Classifications
A; A41; A41H; A41H43/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US386068A
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US586167A
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US687443A
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US1544145A
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US1670787A
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FR691433A
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US1965404A
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US2480214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |