US2705415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window frames
Assignee: Individual
•
Filing: 1951-03-14
•
Granted: 1955-04-05
•
Expires: 1971-03-14
Abstract
No abstract record available.
Inventors
- 👤 Livesay Everett Grey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:57
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/04; E06B1/12; E06B1/24; E06B3/00; E06B3/32; E06B3/34; E06B3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US810887A
Cited
US837418A
Cited
US984611A
Cited
US1640595A
Cited
US1736432A
Cited
US1881971A
Cited
US2030234A
Cited
US2166870A
Cited
US2219593A
Cited
US2383912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |