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US3026024A
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US
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Assignee: Individual
•
Filing: 1960-10-24
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Granted: 1962-03-20
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Frank A Holmgren
- 👤 Freda I Holmgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:41
CPC Classifications
A; A47; A47G; A47G29/00; A47G29/12; A47G29/1209; A47G29/121; A47G2029/12105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2573879A
Cited
US2807410A
Cited
US2754051A
Cited
US2872103A
Cited
US2853230A
Cited
US2874896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |