Patent US2184828A successfully refreshed from Google Patents.
US2720179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spool device
Assignee: Individual
•
Filing: 1952-02-29
•
Granted: 1955-10-11
•
Expires: 1972-02-29
Abstract
No abstract record available.
Inventors
- 👤 Strocco Gene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:06
CPC Classifications
D; D05; D05B; D05B57/00; D05B57/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US391672A
Cited
US550701A
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US1482912A
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US1693838A
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US1586239A
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US1973771A
Cited
US1866622A
Cited
US2059709A
Cited
US2000612A
Cited
US2275212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |