US2871073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Table adapted for vertical stacking and horizontal grouping
Assignee: Individual
•
Filing: 1956-03-12
•
Granted: 1959-01-27
•
Expires: 1976-03-12
Abstract
No abstract record available.
Inventors
- 👤 Jons Robert F Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:58
CPC Classifications
A; A47; A47B; A47B7/00; A47B7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1989426A
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US1941340A
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CH168080A
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US2004934A
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CH184842A
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GB618804A
Cited
GB640867A
Cited
US2596663A
Cited
US2694611A
Cited
GB689749A
Cited
US2657965A
Cited
US2709119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |