US2713710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for concrete step construction
Assignee: Individual
•
Filing: 1953-11-16
•
Granted: 1955-07-26
•
Expires: 1973-11-16
Abstract
No abstract record available.
Inventors
- 👤 Victor L Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:21
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/16; B28B13/00; B28B13/04; B28B13/06; B28B13/067; B28B7/0064; B28B7/10; B28B7/22; B28B7/225; Y; Y10; Y10S; Y10S425/00; Y10S425/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US690987A
Cited
US2148084A
Cited
US2148189A
Cited
US2173253A
Cited
US2498923A
Cited
US2595066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |