US2638084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for drilling glass sheets
Assignee: Individual
•
Filing: 1951-12-29
•
Granted: 1953-05-12
•
Expires: 1971-12-29
Abstract
No abstract record available.
Inventors
- 👤 Eli H Mclaughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:01
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/10; B23Q11/1007; B24; B24B; B24B27/00; B24B27/06; B24B27/0641; B28; B28D; B28D1/00; B28D1/02; B28D1/04; B28D1/041; Y; Y10; Y10T; Y10T408/00; Y10T408/03; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/44; Y10T408/45; Y10T408/453; Y10T408/55; Y10T408/564; Y10T408/5653; Y10T408/81; Y10T408/89; Y10T408/895
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US220384A
Cited
US385666A
Cited
USRE16043E
Cited
US1219461A
Cited
US1385732A
Cited
US1927865A
Cited
US2151205A
Cited
US2413084A
Cited
US2478846A
Cited
US2569854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |