US3460261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drafting device
Assignee: ARNOLD J FREY
•
Filing: 1968-01-24
•
Granted: 1969-08-12
•
Expires: 1988-01-24
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Frey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:27
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/20; B43L13/201; B43L13/205
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US411741A
Cited
US507216A
Cited
US509335A
Cited
US556582A
Cited
CH6291A
Cited
US1058474A
Cited
US1154673A
Cited
US2428699A
Cited
US2560736A
Cited
GB746099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |