US2621040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for assembling sheets of material
Assignee: EIDP Inc
•
Filing: 1950-02-16
•
Granted: 1952-12-09
•
Expires: 1970-02-16
Abstract
No abstract record available.
Inventors
- 👤 Stanley R Rinehart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:03
CPC Classifications
B; B65; B65H; B65H39/00; B65H39/02; B65H39/04; B65H29/00; B65H29/02; B65H29/04; B65H29/041; B65H2301/00; B65H2301/40; B65H2301/43; B65H2301/431; B65H2301/4318
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US805099A
Cited
US2144331A
Cited
US2218217A
Cited
US2255777A
Cited
US2260540A
Cited
US2534070A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |