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Patent US2608312A successfully refreshed from Google Patents.
US2608312A
Expired / Lapsed
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Flat tire dolly
Assignee: NAT TOOL AND DIE Co Inc
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Filing: 1947-12-08
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Granted: 1952-08-26
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Expires: 1967-12-08
Abstract
No abstract record available.
Inventors
- 👤 Luther V Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:19
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/24; B66F7/246
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB234266A
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US2198438A
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US2309198A
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US2247717A
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US2358864A
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US2414383A
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US2491318A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |