Patent US2623560A successfully refreshed from Google Patents.
US2623560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polygonal framework type clamping machine
Assignee: HANDY Manufacturing CO
•
Filing: 1948-01-15
•
Granted: 1952-12-30
•
Expires: 1968-01-15
Abstract
No abstract record available.
Inventors
- 👤 Alan H Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:55
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/0013
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US319521A
Cited
US458191A
Cited
US811456A
Cited
US965807A
Cited
US1036386A
Cited
US1241215A
Cited
US1393766A
Cited
US1436860A
Cited
US1540622A
Cited
US1624151A
Cited
US1734816A
Cited
US1725892A
Cited
GB407641A
Cited
US2052781A
Cited
US2118379A
Cited
US2114390A
Cited
US2236135A
Cited
US2209379A
Cited
US2182154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |