US1228344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load-transfer apparatus.
Assignee: Lidgerwood Manufacturing Co
•
Filing: 1913-06-03
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Granted: 1917-05-29
•
Expires: 1933-06-03
Abstract
No abstract record available.
Inventors
- 👤 Louis G Ruggles
- 👤 Thomas Spencer Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:48
CPC Classifications
B; B66; B66C; B66C21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1920-05-28 | 1920-11-27 | 1921-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-05-28 | 1924-11-27 | 1925-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-05-28 | 1928-11-27 | 1929-05-29 | $7700.00 | Window Closed / Lapsed |