Patent US993308A successfully refreshed from Google Patents.
US993308A
Expired / Lapsed
US
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Edge-rolling device for hot-water bottles.
Assignee: Davol Rubber Co
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Filing: 1910-05-23
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Granted: 1911-05-23
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Expires: 1930-05-23
Abstract
No abstract record available.
Inventors
- 👤 Alexander D Lamont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:19
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/02; B29C59/04; Y; Y10; Y10S; Y10S425/00; Y10S425/813
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) | 1914-05-22 | 1914-11-21 | 1915-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-05-22 | 1918-11-21 | 1919-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-05-22 | 1922-11-21 | 1923-05-23 | $7700.00 | Window Closed / Lapsed |