Patent US2710491A successfully refreshed from Google Patents.
US2710491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ground vase
Assignee: Individual
•
Filing: 1949-12-01
•
Granted: 1955-06-14
•
Expires: 1969-12-01
Abstract
No abstract record available.
Inventors
- 👤 Axel S Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:02
CPC Classifications
E; E04; E04H; E04H13/00; E04H13/003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US643108A
Cited
US1239453A
Cited
US1683365A
Cited
GB318012A
Cited
US1868023A
Cited
US2099329A
Cited
US2142636A
Cited
US2138537A
Cited
US2436631A
Cited
US2488924A
Cited
US2526596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |