US2568130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window construction
Assignee: Individual
•
Filing: 1948-07-31
•
Granted: 1951-09-18
•
Expires: 1968-07-31
Abstract
No abstract record available.
Inventors
- 👤 Raymond R Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:05
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/26; E06B3/2605; E06B2003/261; E06B2003/2615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US751668A
Cited
CH18893A
Cited
US1100564A
Cited
US1263248A
Cited
CH129216A
Cited
US1830504A
Cited
US2001602A
Cited
GB409604A
Cited
US2221005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |