US869878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety cut-off for storage lighting systems.
Assignee: COMMERCIAL ACETYLENE Co
•
Filing: 1907-04-29
•
Granted: 1907-11-05
•
Expires: 1927-04-29
Abstract
No abstract record available.
Inventors
- 👤 Rudolph E Bruckner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:17
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/0005; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/794; Y10T137/8122; Y10T137/8593; Y10T137/87917; Y10T137/88062
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1910-11-04 | 1911-05-06 | 1911-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-11-04 | 1915-05-06 | 1915-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-11-04 | 1919-05-06 | 1919-11-05 | $7700.00 | Window Closed / Lapsed |