US2750658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire-shaped object
Assignee: Hartford National Bank and Trust Co
•
Filing: 1951-09-24
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Granted: 1956-06-19
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Expires: 1971-09-24
Abstract
No abstract record available.
Inventors
- 👤 Went Jan Jacobus
- 👤 Vermeulen Roelof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:47
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/74; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/925; Y10S428/9265; Y10S428/928; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/12097; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US978847A
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US1580647A
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US1792377A
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US1883559A
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US1892607A
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US2087051A
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US2172207A
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US2290967A
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US2459161A
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US2619454A
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US2509117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |