Patent US928392A successfully refreshed from Google Patents.
US928392A
Expired / Lapsed
US
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Bond for concrete-construction forms.
Assignee: Individual
•
Filing: 1908-11-25
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Granted: 1909-07-20
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Expires: 1928-11-25
Abstract
No abstract record available.
Inventors
- 👤 Charles M Markham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:51
CPC Classifications
B; B65; B65D; B65D63/00; B65D63/02; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/1459; Y10T24/1471; Y10T24/39; Y10T24/3936; Y10T24/394; Y10T24/40; Y10T24/4002; Y10T24/4012; Y10T24/4016
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) | 1912-07-19 | 1913-01-18 | 1913-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-07-19 | 1917-01-18 | 1917-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-07-19 | 1921-01-18 | 1921-07-20 | $7700.00 | Window Closed / Lapsed |