US2845322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casing
Assignee: —
•
Filing: —
•
Granted: 1958-07-29
•
Expires: 1975-07-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:17
CPC Classifications
A; A47; A47B; A47B19/00; A47B19/04; A47B23/00; A47B23/06; F; F21; F21V; F21V33/00; F21V33/0004; F21V33/0048
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US381182A
Cited
US1620637A
Cited
US1689414A
Cited
US1796496A
Cited
US1954127A
Cited
US1969306A
Cited
US2577541A
Cited
US2661015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |