Patent US3698599A successfully refreshed from Google Patents.
US3432055A
Expired / Lapsed
US
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Coupling for carts
Assignee: Guilbert Inc
•
Filing: 1967-02-15
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Granted: 1969-03-11
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Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Nicholas R Guilbert Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:11
CPC Classifications
B; B61; B61J; B61J3/00; B61J3/04; B61J3/06; B66; B66B; B66B11/00; B66B11/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1410935A
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US1084820A
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US1828307A
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US2031256A
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US2545696A
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US2721521A
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US2786590A
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US2925286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |