Patent US2871772A successfully refreshed from Google Patents.
US2871772A
Expired / Lapsed
US
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Machine and method for spot treating foldable sheets
Assignee: International Paper Box Machine Co
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Filing: 1955-10-03
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Granted: 1959-02-03
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Expires: 1975-10-03
Abstract
No abstract record available.
Inventors
- 👤 John E Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:01
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/742; B31B50/60; B31B50/62; B31B50/624
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) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |