Patent US2374723A successfully refreshed from Google Patents.
Patent US2800828A successfully refreshed from Google Patents.
Patent US3021091A successfully refreshed from Google Patents.
US3021091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable clothesline
Assignee: Individual
•
Filing: 1958-01-29
•
Granted: 1962-02-13
•
Expires: 1978-01-29
Abstract
No abstract record available.
Inventors
- 👤 Swanson Daisy Shadoan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:15
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/34; B65H75/38; B65H75/44; B65H75/4418; B65H75/4428; B65H75/4431; B65H75/4457; B65H75/446; D; D06; D06F; D06F53/00; D06F53/04; D06F53/045; B65H2701/00; B65H2701/30; B65H2701/35; B65H2701/352
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US706697A
Cited
US887689A
Cited
US1200736A
Cited
US1461938A
Cited
US1447538A
Cited
US2080815A
Cited
US2249114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |