Patent US3101048A successfully refreshed from Google Patents.
US3101048A
Expired / Lapsed
US
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Hand stamps
Assignee: Individual
•
Filing: 1960-11-30
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Granted: 1963-08-20
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Expires: 1980-11-30
Abstract
No abstract record available.
Inventors
- 👤 Carl E Carlsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:22
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/32; B41K1/22; B41K1/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US559420A
Cited
US1643028A
Cited
US1113634A
Cited
US1215788A
Cited
US1220863A
Cited
US1273131A
Cited
US1464068A
Cited
GB527960A
Cited
US2887780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |