US2845665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window structure
Assignee: Individual
•
Filing: 1956-04-02
•
Granted: 1958-08-05
•
Expires: 1976-04-02
Abstract
No abstract record available.
Inventors
- 👤 Andrew S Place
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:49
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1265191A
Cited
US1940322A
Cited
US2136729A
Cited
US2138816A
Cited
US2248372A
Cited
US2452815A
Cited
GB747361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |