US2688294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread guide
Assignee: Individual
•
Filing: 1949-12-29
•
Granted: 1954-09-07
•
Expires: 1969-12-29
Abstract
No abstract record available.
Inventors
- 👤 Mccloud Effie Elizabeth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:41
CPC Classifications
D; D05; D05B; D05B81/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US135000A
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US544827A
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GB190116424A
Cited
US1105413A
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US890628A
Cited
US1020333A
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US1034832A
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US1452033A
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US2194876A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |