US2912910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beach landing mat
Assignee: Acme Steel Co
•
Filing: 1953-08-05
•
Granted: 1959-11-17
•
Expires: 1973-08-05
Abstract
No abstract record available.
Inventors
- 👤 Allen B Wilson
- 👤 Keiser Rufus Dale
- 👤 Bestor P Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:08
CPC Classifications
E; E01; E01C; E01C9/00; E01C9/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/4962; Y10T29/49826; Y10T29/49879; Y10T29/49908; Y10T29/49915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US176573A
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US732295A
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US785810A
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GB190611799A
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US978994A
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GB212328A
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GB222973A
Cited
GB352249A
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US1896957A
Cited
US1905176A
Cited
GB409867A
Cited
DE739073C
Cited
US2404097A
Cited
FR1010046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |