US829801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making hollow articles.
Assignee: General Electric Co
•
Filing: 1904-05-24
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Granted: 1906-08-28
•
Expires: 1924-05-24
Abstract
No abstract record available.
Inventors
- 👤 William H Pratt
- 👤 Alvarado Le Roy Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:26
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/02; H02K15/03; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/4902; Y10T29/49071; Y10T29/4981
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) | 1909-08-27 | 1910-02-26 | 1910-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-08-27 | 1914-02-26 | 1914-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-08-27 | 1918-02-26 | 1918-08-28 | $7700.00 | Window Closed / Lapsed |