US3017969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable partitions
Assignee: Individual
•
Filing: 1956-05-28
•
Granted: 1962-01-23
•
Expires: 1976-05-28
Abstract
No abstract record available.
Inventors
- 👤 Harold R Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:24
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; F16B5/0685; E; E04; E04B; E04B2/00; E04B2/74; E04B2/7407; E04B2/7416; E04B2/7422; E04B2/7425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US421383A
Cited
FR735731A
Cited
US2505553A
Cited
US2650717A
Cited
GB669495A
Cited
US2767814A
Cited
US2807339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |