US2440840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton erecting apparatus
Assignee: ROBERT GAIR CO Inc
•
Filing: 1945-03-24
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Granted: 1948-05-04
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Expires: 1965-03-24
Abstract
No abstract record available.
Inventors
- 👤 Preston J Blackwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:23
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/76; B31B50/78; B31B50/788; B31B2100/00; B31B2120/00; B31B2120/20; B31B2120/30; B31B2241/00; B31B2241/002; B31B50/81; Y; Y10; Y10S; Y10S493/00; Y10S493/901; Y10S493/912; Y10S493/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |