Patent US3032331A successfully refreshed from Google Patents.
US3032331A
Expired / Lapsed
US
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Pipe clamp for trimming machines
Assignee: Individual
•
Filing: 1959-05-25
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Granted: 1962-05-01
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Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 John T Doty
- 👤 Reynolds T Doty
- 👤 Pierce E Doty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:20
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/08; B23Q2703/00; B23Q2703/02; B23Q2703/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US287993A
Cited
GB189423544A
Cited
AT24434B
Cited
US1603307A
Cited
US1619749A
Cited
US2067626A
Cited
US2148208A
Cited
US2341602A
Cited
US2655670A
Cited
US2798234A
Cited
US2811771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |