Patent US4173411A successfully refreshed from Google Patents.
Patent US2687090A successfully refreshed from Google Patents.
US2687090A
Expired / Lapsed
US
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Machine for printing contrinuous forms
Assignee: International Business Machines Corp
•
Filing: 1949-03-01
•
Granted: 1954-08-24
•
Expires: 1969-03-01
Abstract
No abstract record available.
Inventors
- 👤 Fred M Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:25
CPC Classifications
B; B41; B41F; B41F13/00; B41F13/02; B41F13/04; B41L; B41L1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US882283A
Cited
US924794A
Cited
US1034637A
Cited
US1015580A
Cited
US1153045A
Cited
US1153046A
Cited
US1200758A
Cited
US1473650A
Cited
US1646034A
Cited
US1797354A
Cited
US1910359A
Cited
US1986643A
Cited
US2040158A
Cited
US2054763A
Cited
US1984737A
Cited
US2148586A
Cited
US2151028A
Cited
US2220270A
Cited
US2154157A
Cited
US2262919A
Cited
US2395983A
Cited
US2522784A
Cited
US2546372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |