US2467607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film fastening reel
Assignee: FRANCIS L SILVERBLATT
•
Filing: 1945-04-28
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Granted: 1949-04-19
•
Expires: 1965-04-28
Abstract
No abstract record available.
Inventors
- 👤 Lawrence G Bates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:48
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/326
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1009673A
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US1811926A
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US1793198A
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GB335780A
Cited
US1856112A
Cited
GB381159A
Cited
US1956191A
Cited
US2033905A
Cited
FR850457A
Cited
US2180829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |