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Patent US3048345A successfully refreshed from Google Patents.
US3048345A
Expired / Lapsed
US
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Collapsible shafts
Assignee: Kidder Press Co Inc
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Filing: 1960-02-04
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Granted: 1962-08-07
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Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 Robert P Willard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:23
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242; B65H75/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2059040A
Cited
US2215069A
Cited
US2331743A
Cited
US2558689A
Cited
US2537492A
Cited
DE866907C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |