Patent US1487387A successfully refreshed from Google Patents.
US1487387A
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US
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Assignee: Individual
•
Filing: 1923-02-27
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Granted: 1924-03-18
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Expires: 1943-02-27
Abstract
No abstract record available.
Inventors
- 👤 Eleanor A Hurlbutt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:31
CPC Classifications
A; A44; A44B; A44B11/00; A44B11/25; A44B11/28; Y; Y10; Y10T; Y10T24/00; Y10T24/24; Y10T24/45; Y10T24/45225; Y10T24/45984; Y10T24/45995
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) | 1927-03-18 | 1927-09-17 | 1928-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-03-18 | 1931-09-17 | 1932-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-03-18 | 1935-09-17 | 1936-03-18 | $7700.00 | Window Closed / Lapsed |