US2715535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load handling wheeled skid
Assignee: Individual
•
Filing: 1953-02-06
•
Granted: 1955-08-16
•
Expires: 1973-02-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Prowiusky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:55
CPC Classifications
B; B62; B62B; B62B3/00; B62B2203/00; B62B2203/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US375740A
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US843770A
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US919729A
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US1027896A
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US1168008A
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US1215771A
Cited
GB169326A
Cited
US1516856A
Cited
US2497440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |