Patent US941886A successfully refreshed from Google Patents.
US941886A
Expired / Lapsed
US
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Process of laying concrete pavements.
Assignee: COSMOS CONSTRUCTION COMPANY Inc
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Filing: 1903-06-25
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Granted: 1909-11-30
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Expires: 1923-06-25
Abstract
No abstract record available.
Inventors
- 👤 Franklin S Lamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:20
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/52; Y; Y10; Y10S; Y10S264/00; Y10S264/43
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) | 1912-11-29 | 1913-05-31 | 1913-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-11-29 | 1917-05-31 | 1917-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-11-29 | 1921-05-31 | 1921-11-30 | $7700.00 | Window Closed / Lapsed |