Patent US2736184A successfully refreshed from Google Patents.
US2736184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
harvey
Assignee: —
•
Filing: —
•
Granted: 1956-02-28
•
Expires: 1973-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:38
CPC Classifications
D; D06; D06B; D06B23/00; D06B23/04; D06B23/047; D01; D01D; D01D10/00; D01D10/04; D01D10/0409; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53652
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1021811A
Cited
US1027555A
Cited
US1168067A
Cited
US1775922A
Cited
US1932913A
Cited
US1812805A
Cited
US1989562A
Cited
US2249379A
Cited
US2300914A
Cited
US2350168A
Cited
US2439829A
Cited
US2467555A
Cited
US2620141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |