US2827215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand truck and ladder
Assignee: ROL AWAY TRUCK Manufacturing Co Inc
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Filing: 1956-07-16
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Granted: 1958-03-18
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Expires: 1976-07-16
Abstract
No abstract record available.
Inventors
- 👤 George W Burg
- 👤 Robert W Ledgerwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:55
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/02; E06C1/38; E06C1/397; B; B62; B62B; B62B5/00; E06C1/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |